Send a comment on this item to LII:
Send a comment on this item to LII staff, who on weekdays will usually reply within 24 hours.
Water Science For Schools: Sinkholes
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
Asterisk
*
indicates required field.
Your Name
Your Email Address
*
We will not sell or provide your email address to anyone else.
Comment
*
Enter the verification code as it is shown in the box below. This helps prevent automated submissions.
*
