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Publisher: U.S. Geological Survey

Corn Maze Geography: Teaching Geography Using Corn Mazes view detail comment email this

This document features "lessons for teaching geography through the concept of corn mazes," which are "paths cut or plowed in a field of corn (maize) so that the paths form a pattern when viewed from overhead." Lesson topics include navigation, maps, global positioning systems (GPS), aerial photographs, and other geography concepts. From the U.S. Geological Survey (USGS), Rocky Mountain Mapping Center.
http://rockyweb.cr.usgs.gov/outreach/cornmazegeography.html
Topics: Geography, Lesson Plans, Technology, Transportation

Last updated Feb 5, 2008


Hurricane Katrina Impact Studies view detail comment email this

Information from a research project of the U.S. Geological Survey (USGS), NASA, the U.S. Army Corps of Engineers, and the University of New Orleans "investigating coastal change that occurred as a result of Hurricane Katrina." Includes results of "aerial video, still photography, and laser altimetry surveys of post-storm beach conditions ... collected August 31 and September 1, 2005 for comparison with earlier data." From the U.S. Geological Survey (USGS).
http://coastal.er.usgs.gov/hurricanes/katrina/
Topics: Hurricane Katrina, Photograph Collections, Photograph Collections: Regional, Photograph Collections: Regional: United States

Last updated Sep 20, 2005


Environmental Atlas of the Lake Pontchartrain Basin view detail comment email this

Atlas to Lake Pontchartrain and its surrounding basin, which encompasses land in Louisiana and Mississippi. The site "presents information about geology, land cover, types of shorelines, biological resources, flow patterns, significant storms, growth trends and more." Includes a bibliography. From the U.S. Geological Survey (USGS).
http://pubs.usgs.gov/of/2002/of02-206/
Topics: Environment, Geography, Hurricane Katrina, Scientific Themes, U.S. Maps, Water

Last updated Sep 2, 2005


The Voyage of Discovery Continues: A Satellite View of the Journey of Lewis and Clark view detail comment email this

"To commemorate the 200th anniversary of the Lewis and Clark Corps of Discovery expedition from 1803-1806 and the 125th anniversary of the United States Geological Survey (USGS), the USGS National Center for Earth Resources Observation and Science (EROS) has assembled a collection of satellite images that provides a contemporary view the route that Lewis and Clark took from St. Louis, Missouri, to the Pacific Coast." Images are accompanied by descriptions of the journey.
http://edc.usgs.gov/LewisandClark/
Topics: Geography, Holidays and Observances Individually, United States History

Last updated Jul 27, 2005


Iron Ore Statistics and Information view detail comment email this

Statistical publications on iron ore, "a mineral substance which, when heated in the presence of a reductant, will yield metallic iron (Fe). ... Iron ore is the source of primary iron for the world's iron and steel industries." Includes links to statistics about iron and steel scrap (recycled into new steel and cast-iron products) and slag (nonmetallic byproducts of iron and steel manufacturing). From the U.S. Geological Survey (USGS).
http://minerals.usgs.gov/minerals/pubs/commodity/iron_ore/
Topics: Geology

Last updated Oct 23, 2006


USGS Hawaiian Volcanic Observatory: Earthquakes view detail comment email this

Features on this site include a map of current earthquakes in Hawaii, an explanation of the difference between magnitude and intensity scales of felt earthquakes, a table of historical destructive earthquakes in Hawaii back to 1868, details about Hawaii seismic hazards, and and the role of volcanism. From the Hawaiian Volcano Observatory, part of the Volcano Hazards Program of the U.S. Geological Survey (USGS).
http://hvo.wr.usgs.gov/earthquakes/
Topics: Geology

Last updated Oct 18, 2006


Checklist of Amphibian Species and Identification Guide: An Online Guide for the Identification of Amphibians in North America North of Mexico view detail comment email this

This site provides a browsable "checklist of all amphibian species and subspecies currently recognized in North America north of Mexico" (with photographs and details for some). Salamanders, newts, frogs, and toads are briefly described in their adult phase; many entries include photos and range maps showing where a species is found. Includes an annotated list of amphibian and reptile identification websites. From the USGS Northern Prairie Wildlife Research Center.
http://www.npwrc.usgs.gov/resource/herps/amphibid/amphibid.htm
Topics: Animals, Photograph Collections: Nature & Wildlife, Photograph Collections: Regional, Science, Science

Last updated May 27, 2006


Dinosaurs: Facts and Fiction view detail comment email this

"This pamphlet contains answers to some frequently asked questions about dinosaurs, with current ideas and evidence to correct some long-lived popular misconceptions." From the U.S. Geological Survey.
http://pubs.usgs.gov/gip/dinosaurs/
Topics: Animals, Nonfiction by Genre

Last updated Feb 27, 2002


Bird Banding Laboratory: The North American Bird Banding Program view detail comment email this

Information on the banding of wild birds to monitor populations and migration and for other studies. Includes a history of the practice, descriptions of types of bands and auxiliary markers (used for identifying individual birds at a distance), resources for banders, and a form for reporting recovered bands (also in Spanish). A joint program of the U.S. Department of the Interior and the Canadian Wildlife Service.
http://www.pwrc.usgs.gov/bbl/
Topics: Birds

Last updated Nov 1, 2005


USGS Drought Watch: Washington view detail comment email this

Features information on today's streamflow conditions in Washington state. Includes an interactive map providing streamflow information for specific locations. Offers drought definitions, resources, and a FAQ. Provides a hydrology primer, list of online water resources, publications, and links to USGS articles on drought, groundwater, rain, and the hydrologic cycle. From the U.S. Geological Survey and Water Resources of Washington State.
http://wa.water.usgs.gov/news/drought/
Topics: Geography, Water, Weather

Last updated Mar 16, 2005


San Francisco Bay Area Current Earthquake Map view detail comment email this

Map and data on the most recent earthquake activity in the region. From the U.S. Geological Survey, Menlo Park, CA.
http://quake.wr.usgs.gov/recenteqs/Maps/SF_Bay.html
Topics: Geography, Geology

Last updated Dec 18, 2002


Earthquake Hazards Program: Northern California view detail comment email this

Contains reports and maps of current and past seismic activity, a FAQ on earthquakes, a glossary, resources for teachers, hazard and preparedness information, and more. From the U.S. Geological Survey (USGS).
http://quake.wr.usgs.gov/
Topics: Geography, Geology

Last updated May 22, 2005


National Earthquake Information Center (NEIC) view detail comment email this

The NEIC's mission is "to rapidly determine location and size of all destructive earthquakes worldwide and to immediately disseminate this information." Learn about the latest quakes, magnitude and intensity, past and historical earthquakes, plate tectonics, seismic waves, tsunami, hazards and preparedness, and more. Includes resources for teachers and an image glossary. From the Earthquake Hazards Program, U.S. Geological Survey.
http://neic.usgs.gov/
Topics: Geography, Geology

Last updated Sep 4, 2003


FrogWeb: Amphibian Declines and Deformities view detail comment email this

This resource provides information about the decline in population and rise in deformities for frogs, toads, and salamanders, both in the United States and worldwide. Includes news, statistics, monitoring projects (see What You Can Do ), species information, resources for children, and more. A project of the National Biological Information Infrastructure (NBII).
http://www.frogweb.gov/
Topics: Animals

Last updated Oct 23, 2002


Access USGS - San Francisco Bay and Delta view detail comment email this

United State Geological Survey reports, current studies, data, digital maps, and interpretations of the San Francisco Bay estuary and its watershed. Water quality, climate, bathymetry, biology, earthquake and other hazard information, wetlands, and the effects of man-made changes on the environment are among the many topics covered.
http://sfbay.wr.usgs.gov/
Topics: Water

Last updated Dec 19, 2008


Ecological Effects of Fire Retardant Chemicals and Fire Suppressant Foams view detail comment email this

This report discusses the toxicity of fire suppressants and retardants to vegetation, algae, aquatic invertebrates, and fish. Includes a summary and a list of the chemicals used in the study. Also provides links to related reports. From the USGS Northern Prairie Wildlife Research Center.
http://www.npwrc.usgs.gov/resource/habitat/fireweb/
Topics: Environment, Pollutants & Toxic Substances, Science

Last updated Aug 2, 2006


Landslide Events view detail comment email this

Current information about landslides and mudslides in the United States and throughout the world. Includes information back to 2004. From the U.S. Geological Survey (USGS).
http://landslides.usgs.gov/recent/index.php
Topics: Weather

Last updated May 23, 2008


Landslide Hazards Program view detail comment email this

This site features maps that forecast rainfall and areas susceptible to landslides in California. Also provides a FAQ about landslides in general, a fact sheet on landslide types and processes, media advisories, and related information. From the U.S. Geological Survey (USGS).
http://landslides.usgs.gov/
Topics: Weather

Last updated May 24, 2009


U.S. Board of Geographic Names (BGN) view detail comment email this

The website for this government body created "to maintain uniform geographic name usage throughout the Federal Government" features links to the Geographic Names Information System (GNIS) for the U.S., the GEOnet Names Server (GNS) for foreign names, and material about names of features in Antarctica. Search results include information such as latitude, longitude, and elevation. From the U.S. Geological Survey (USGS).
http://geonames.usgs.gov/
Topics: Dictionaries, Geography, Ready Reference & Quick Facts

Last updated Sep 24, 2007


Water Science for Schools view detail comment email this

Teaches students and other users about water, covering areas such as the importance of water in our lives, the properties of water, and the supply and demand of water. The site is designed to be easy to use with a navigation guide, search engine, and glossary. Includes pictures, maps, and data, as well as interactive questionnaires, quizzes, surveys, and the ability to print certificates of completion. From the U.S. Geological Survey (USGS).
http://ga.water.usgs.gov/edu/
Topics: Economics, K-12 Education, Water

Last updated Jul 13, 2005


North Cascades National Park Geology: A Mountain Mosaic view detail comment email this

Three virtual field trips, taking viewers along the North Cascade Highway from the town of Concrete in Washington state to the Washington Pass Overlook, to Baker River Road and Schriebers Meadows, and along the North Fork of the Nooksack River. Includes maps and photographs. Also features information about the minerals, rocks, and other geologic features of the region. From the U.S. Geological Survey.
http://geomaps.wr.usgs.gov/parks/noca/
Topics: Geology

Last updated Jun 9, 2008


Mount St. Helens, Washington view detail comment email this

Find geologic and eruptive histories, current and historical information about seismicity, hydrologic conditions, and live volcano cams, as well as many photographs and other facts about Mount St. Helens. Includes links to maps and other information on volcanoes in the Cascade Range.
http://vulcan.wr.usgs.gov/Volcanoes/MSH/
Topics:

Last updated Sep 30, 2004


Lake Tahoe Data Clearinghouse view detail comment email this

Technical information about the lake and its basin, including streamflow, groundwater, sediment, water quality, and bathymetry.
http://tahoe.usgs.gov/
Topics: Geography, Water

Last updated Sep 1, 2001


Topographic Map Symbols view detail comment email this

This online guide has three brief descriptive sections: "What is a Topographic Map?"; "Reading Topographic Maps"; and "Topographic Map Information," which includes information on buying topo maps. Explains map symbols for elevation; boundaries; land surface features; water features; buildings and related features; and roads, railroads, and transmission lines and pipelines. From the U.S. Geological Survey (USGS).
http://egsc.usgs.gov/isb/pubs/booklets/symbols/reading.html
Topics: Geology, Maps, Outdoor Recreation, Scientific Themes

Last updated Sep 22, 2009


USGS National Geologic Map Database view detail comment email this

A searchable catalog of paper and digital maps, geologic names, and new mapping projects. Included is "information about maps and related data for: geology, hazards, earth resources, geophysics, geochemistry, geochronology, paleontology, and marine geology." for the United States. Search by a large variety of criteria. Additionally, there are related links to other geological databases as well as information on how to locate topographic maps.
http://ngmdb.usgs.gov/
Topics: Scientific Themes, U.S. Maps

Last updated May 8, 2002


A Tapestry of Time and Terrain: The Union of Two Maps - Geology and Topography view detail comment email this

Information about the topography and geology of the continental United States. A digital map contains the description for each geologic feature with information for the eras in which it was formed. "Rock of Ages" is a timeline of each geologic era linked to the regions of the map. "Boundaries" shows two more maps: one with geomorphic, or physiographic, regions; the other with state boundaries. From the U.S. Geological Survey (USGS).
http://tapestry.usgs.gov/default.html
Topics: Geology, Outdoor Recreation, Scientific Themes, U.S. Maps

Last updated Aug 23, 2005


National Atlas of the United States of America view detail comment email this

An interactive map of the United States displaying millions of geographical locations in a series of map layers. These map layers display airports, federal lands, urban areas, water features, parkways, rivers, railroads, roads, and geological events. Also includes terrain relief and elevation and seasonal vegetation growth maps, as well as articles about U.S. geography. Map layers and raw data can be downloaded.
http://nationalatlas.gov/
Topics: Scientific Themes, U.S. Maps

Last updated Mar 1, 2006


Review of Variability in the North American Monsoon view detail comment email this

Basic information about the "North American monsoon (NA monsoon), variously known as the Southwest United States monsoon, the Mexican monsoon, or the Arizona monsoon [which is] ... a pronounced increase in rainfall from an extremely dry June to a rainy July over large areas of the southwestern United States and northwestern Mexico." From the U.S. Geological Survey (USGS).
http://geochange.er.usgs.gov/sw/changes/natural/monsoon/
Topics: Regions of the World, Weather

Last updated Aug 23, 2005


Peat Statistics and Information view detail comment email this

Statistical publications on peat, "a renewable, natural, organic material of botanical origin and commercial significance. Peatlands are situated predominately in shallow wetland areas of the Northern Hemisphere, where large deposits developed from the gradual decomposition of plant matter under anaerobic (low oxygen) conditions." Includes the Directory of U.S. Peat Producers and entries in the Minerals Yearbook and Mineral Commodity Summaries. From the U.S. Geological Survey (USGS).
http://minerals.usgs.gov/minerals/pubs/commodity/peat/
Topics: Environment, Water

Last updated Aug 17, 2005


Iron and Steel Statistics and Information view detail comment email this

Statistical publications for iron and for steel, which is "a combination of iron with a small amount of carbon." Includes data on production, consumption, and related information from Minerals Commodity Summaries, the Minerals Yearbook, and other publications. From the U.S. Geological Survey (USGS).
http://minerals.usgs.gov/minerals/pubs/commodity/iron_&_steel/
Topics: Industries, Statistics

Last updated Apr 16, 2007


California Volcanoes and Volcanics view detail comment email this

Information, images, graphics, and maps related to past, present, and possible future volcanic activity in California.
http://vulcan.wr.usgs.gov/Volcanoes/California/
Topics: Geography, Geology

Last updated Jan 16, 2000


Volcano Hazards Program view detail comment email this

Information about the types of hazards posed by volcanoes -- their locations, effects, relationship to plate tectonics, and methods to help reduce volcanic risk. There is also a discussion about the long-term outlook for volcanic activity for the Long Valley Caldera and the Inyo-Mono Craters volcanic chain along with its geologic history, maps, and photos. There are historical tables of eruptions that had more than 300 fatalities, information about recent and historic volcanic activity in the U.S., a photoglossary, an archive of featured highlights, and links to the Alaskan, Hawaiian, and Cascades volcano observatories.
http://volcanoes.usgs.gov/
Topics: Geography, Geology

Last updated Sep 30, 2004


Parking-Lot Sealcoat: A Major Source of PAHs in Urban and Suburban Environments view detail comment email this

This site reports on 2005 findings that "coal-tar based sealcoat -- the black, shiny emulsion painted or sprayed on asphalt pavement such as parking lots -- has extremely elevated concentrations of polycyclic aromatic hydrocarbons (PAHs) and can affect the quality of downstream water resources." Includes a FAQ covering PAHs, coal tar, and sealcoat, and links to related information. From the U.S. Geological Survey (USGS).
http://water.usgs.gov/nawqa/asphalt_sealers.html
Topics: Pollutants & Toxic Substances, Pollution, Water

Last updated Jul 5, 2005


Water Use in the United States view detail comment email this

Reports issued every five years that compile and disseminate data on water usage by homes, farms, and industry on county, state, and national levels. From the National Water-Use Information Program, U.S. Geological Survey (USGS).
http://water.usgs.gov/watuse/
Topics: Water

Last updated Apr 14, 2005


DUCKDATA: A Bibliographic Database of North American Waterfowl (Anatidae) and Their Wetland Habitats view detail comment email this

"A comprehensive bibliography of published literature on the ecology, conservation, and management of North American waterfowl and their wetland habitats." Search by author, title, source, or keyword. Maintained by the Patuxent Wildlife Research Center, U.S. Geological Survey (USGS).
http://www.pwrc.usgs.gov/rwp/database_descriptions.htm#DUCKDATA
Topics: Animals, Birds, Environment

Last updated Aug 22, 2007


The Great 1906 San Francisco Earthquake view detail comment email this

Information about this earthquake that hit at 5:12 a.m. on April 18, 1906. Includes information about the size of the quake, casualties and damage from the earthquake and fire, information about other notable quakes in the San Francisco Bay Area after 1906, and links to photo collections and eyewitness accounts. From the U.S. Geological Survey (USGS).
http://earthquake.usgs.gov/regional/nca/1906/18april/index.php
Topics: Geology

Last updated Jan 5, 2007


Patuxent Wildlife Research Center view detail comment email this

"Since its establishment in 1936 as the nation's first wildlife experiment station, [this center in Maryland] has been a leading international research institute for wildlife and applied environmental research," in areas such as "migratory birds, wildlife population analysis, waterfowl harvest, habitat management, wetlands, coastal zone and flood plain management, contaminants, endangered species, urban wildlife, [and] ecosystem management." The site features a history of the center, information about research, publications, a photo gallery, video clips, and more.
http://www.pwrc.usgs.gov
Topics: Animals, Environment

Last updated Jan 17, 2006


1906 Earthquake Centennial view detail comment email this

This site created for the 100-year anniversary of the 1906 San Francisco earthquake and fire features animated ground motion simulation maps, earthquake intensity maps, computer animations of some San Francisco landmarks (such as the Golden Gate Bridge) shaking in a repeat of the 1906 earthquake, and current maps and information about the San Andreas and Hayward earthquake faults. Includes links to related sites. From the U.S. Geological Survey (USGS).
http://earthquake.usgs.gov/regional/nca/1906/
Topics: Geology

Last updated Apr 6, 2006


Gold Statistics and Information view detail comment email this

Data on gold from statistical publications such as Mineral Commodity Summaries, Minerals Yearbook, and Mineral Industry Surveys. Features brochures on gold prospecting, gold prices in the U.S., and other mineral and metal publications with data on gold. From the U.S. Geological Survey (USGS).
http://minerals.usgs.gov/minerals/pubs/commodity/gold/
Topics: Geology, Investing

Last updated Apr 16, 2006


Water Science For Schools: Sinkholes view detail comment email this

Introduction to sinkholes, a geological occurrence "common where the rock below the land surface is limestone, carbonate rock, salt beds, or rocks that can naturally be dissolved by ground water circulating through them. As the rock dissolves, spaces and caverns develop underground." Features a map showing areas of the U.S. prone to sinkholes, and diagrams of types of sinkholes. From the U.S. Geological Survey (USGS).
http://ga.water.usgs.gov/edu/sinkholes.html
Topics: Geology

Last updated Apr 25, 2006


National Biological Information Infrastructure (NBII): Your Home for Biological Information on the Web view detail comment email this

The NBII provides links to "diverse, high-quality biological databases, information products, and analytical tools" in the biological disciplines of botany, fisheries and aquatic resources, systematics, and reptiles and amphibians. Includes materials on specific regions and on topics such as biodiversity, invasive species, coral reefs, and wildlife diseases. Includes an image library and teacher resources. From the Center for Biological Informatics of the U.S. Geological Survey (USGS).
http://www.nbii.gov
Topics: Biology

Last updated Jun 1, 2006


Indonesia Volcanoes and Volcanics view detail comment email this

Collection of background material about volcanoes in Indonesia. Features a map and description of volcanoes, including details about the eruptions of Krakatau in 1883 and Merapi in 1994. Also includes links to related sites about volcano eruptions in Indonesia. From the U.S. Geological Survey (USGS).
http://vulcan.wr.usgs.gov/Volcanoes/Indonesia/
Topics: Geology

Last updated Jun 6, 2006


Zinc Statistics and Information view detail comment email this

Statistical publications for zinc, "the 23rd most abundant element in the earth's crust. Sphalerite, zinc sulfide, is and has been the principal ore mineral in the world." Includes data on production and use, recycling, and related information from Mineral Commodity Summaries, the Minerals Yearbook, and other publications. From the U.S. Geological Survey (USGS).
http://minerals.er.usgs.gov/minerals/pubs/commodity/zinc/
Topics: Geology

Last updated Jun 26, 2006


Helium Statistics and Information view detail comment email this

Collection of statistical publications on helium gas, including production and use, government stockpiles, world production and reserves, trends and issues, and related topics. Includes Mineral Commodity Summaries, Minerals Yearbook, and other publications. From the U.S. Geological Survey (USGS).
http://minerals.usgs.gov/minerals/pubs/commodity/helium/
Topics: Geology

Last updated Nov 15, 2006


Ecological Topics: Pollinators view detail comment email this

Collection of resources on "the biology, ecology, conservation status, and threats to native pollinators, pollinator-dependent species, and pollinator habitats in the United States and abroad." Includes background about pollination (including plant features used by pollinators), descriptions of specific pollinator species (bees, birds, bats, and insects), material on conservation and on farming and gardening for pollinators, news and updates, teaching resources, and more. From the National Biological Information Infrastructure, administered by the U.S. Geological Survey.
http://www.nbii.gov/portal/community/Communities/Ecological_Topics/Pollinators/
Topics: Plants

Last updated Sep 14, 2007


October 21, 1868 Hayward Fault Earthquake view detail comment email this

Background about the October 21, 1868, Hayward Fault earthquake, which, "because of its location in the heart of the [San Francisco] Bay Area ... and its magnitude, variously estimated as between 6.8 and 7.0, ... was one of the most destructive in California history." Provides explanations of the earthquake, shaking distribution maps (released in fall 2007), and general background about the Hayward fault. From the U.S. Geological Survey (USGS).
http://earthquake.usgs.gov/regional/nca/1868/
Topics: Geology

Last updated Oct 22, 2007


Landsat Image Mosaic of Antarctica (LIMA) view detail comment email this

"In support of the International Polar Year (IPY 2007-2008), LIMA brings the coldest continent on Earth alive in greater detail than ever before through this virtually cloudless, seamless, and high resolution satellite view of Antarctica." Includes images, an interactive atlas of Antarctic research, and related material. From the U.S. Geological Survey (USGS), the British Antarctic Survey (BAS), and the National Aeronautics and Space Administration (NASA), with funding from the National Science Foundation (NSF).
http://lima.usgs.gov/
Topics: Regions of the World

Last updated Dec 3, 2007


2008 High-Flow Experiment From Glen Canyon Dam view detail comment email this

Details about the Department of the Interior approved experiment in early March 2008 to evaluate "the effectiveness of using high flows from Glen Canyon Dam to improve natural, recreational, and cultural resources in Grand Canyon National Park." Includes a FAQ, media releases, flow schedule, maps, water gage data for sites along the Colorado River, planning documents and fact sheets, and related material. From the Grand Canyon Monitoring and Research Center, U.S. Geological Survey (USGS).
http://www.gcmrc.gov/research/high_flow/2008/
Topics: Technology

Last updated Mar 3, 2008


Sand in the Grand Canyon: Two U.S. Geological Survey Studies view detail comment email this

Information about how "a controlled flood was held during late March and early April of 1996 to help researchers determine if periodic large releases of water from Glen Canyon Dam can rebuild sandbars and restore other habitats [along the Grand Canyon of the Colorado River] that have deteriorated since the dam's completion in 1963." Includes discussion of the studies of sandbar formation and sand distribution. From the U.S. Geological Survey (USGS).
http://walrus.wr.usgs.gov/grandcan/twostudies.html
Topics: Technology, Water

Last updated Mar 3, 2008


Copper Statistics and Information view detail comment email this

Statistical publications about copper, which is "one of the oldest metals ever used and has been one of the important materials in the development of civilization." Includes copper data from annual and monthly publications, such as Mineral Commodity Summaries and Minerals Yearbook, and one-time and special publications about copper, such as a map and table of world copper smelters and information about material flows associated with copper smelting. From the U.S. Geological Survey (USGS).
http://minerals.usgs.gov/minerals/pubs/commodity/copper/
Topics: Geology

Last updated Apr 3, 2008


New Madrid Earthquakes 1811-1812 view detail comment email this

Background about the 1811-1812 New Madrid earthquakes in the Midwest. "On the basis of the large area of damage ... the widespread area of perceptibility ... and the complex physiographic changes that occurred, the Mississippi River valley earthquakes of 1811-1812 rank as some of the largest in the United States since its settlement by Europeans." Includes an earthquake summary, subsequent historical images, eyewitness accounts, and maps. From the U.S. Geological Survey (USGS).
http://earthquake.usgs.gov/regional/states/events/1811-1812.php
Topics: Geography, Geology

Last updated Apr 23, 2008


China Earthquake Information view detail comment email this

Compilation of links to earthquake information for China, including details about the latest earthquakes, earthquake history, maps, seismological institutions, and related material. The Notable Earthquakes link provides information about the major May 2008 earthquake in the Sichuan province. From the U.S. Geological Survey (USGS).
http://earthquake.usgs.gov/regional/world/index.php?regionID=35
Topics: Geography, Geology

Last updated May 12, 2008


Migration of Birds: U.S. Fish and Wildlife Service Circular 16 view detail comment email this

This circular, originally authored in 1935, "effectively communicated the wonders of bird migration to a wide audience, both young and old, experienced observers of birds as well as the simply curious." Describes subsequent revisions and presents the text of the latest version, which covers the study of migration, basic migration concepts, migration routes and patterns, and related topics. Includes a bibliography. From the U.S. Geological Survey (USGS).
http://www.npwrc.usgs.gov/resource/birds/migratio/
Topics: Birds

Last updated Sep 4, 2008


A Review of the Problem of Lead Poisoning in Waterfowl view detail comment email this

This academic article reviews research on the problem of lead poisoning in waterfowl from lead shot in hunting firearms. Provides references to past studies and data tables. Of particular interest is a discussion of lead vs. steel shot in the "Practices to Reduce Lead Toxicosis" section. From the Northern Prairie Wildlife Research Center, U.S. Geological Survey (USGS).
http://www.npwrc.usgs.gov/resource/birds/pbpoison/index.htm
Topics: Outdoor Recreation, Pollutants & Toxic Substances

Last updated Nov 7, 2008


Concerns Rise Over Known and Potential Impacts of Lead on Wildlife view detail comment email this

This article discusses the potential health impacts on "upland game birds, scavengers (such as vultures, hawks and eagles) and other waterbirds that are exposed to lead through the ingestion of spent lead shot, bullet fragments and fishing sinkers." Accompanied by many related links about lead poisoning and wildlife. From the National Wildlife Health Center, U.S. Geological Survey (USGS).
http://www.nwhc.usgs.gov/disease_information/lead_poisoning/index.jsp
Topics: Outdoor Recreation, Pollutants & Toxic Substances

Last updated Sep 29, 2008


Nonindigenous Aquatic Species: Zebra and Quagga Mussel Information view detail comment email this

Compilation of material about two species of shellfish, the zebra and quagga mussels, that have similar ecological and environmental impacts in the U.S. Provides fact sheets, a quagga vs. zebra FAQ, current quagga and zebra mussel sightings maps, historic distribution maps, photos, and more. From the U.S. Geological Survey (USGS).
http://nas.er.usgs.gov/taxgroup/mollusks/zebramussel/
Topics: Fish, Reptiles, & Amphibians

Last updated Nov 7, 2008


USGS Office of Global Change view detail comment email this

This U.S. Geological Survey (USGS) office "strives to understand how the earth works and to anticipate changes in how the earth functions," and conducts research that "aims to understand the interrelationships among earth surface processes, ecological systems, and human activities." Find publications (including climate change fact sheets), news, FAQs, podcasts, and links to USGS project pages for research areas such as sea-level change, permafrost, carbon sequestration, health risk, and drought. From the USGS.
http://www.usgs.gov/global_change/
Topics: Environment

Last updated Apr 7, 2009





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