Technical reviews by Rich Harrison and Art Schultz (U.S. Geological Survey) improved this report. Special thanks to the private landowners who kindly provided access to their property. The map and report greatly benefited from the previous work of Arthur Keith and Dick Nickelsen and from that of our field assistant, Stud Shiner.
U.S. Geological Survey, U.S. Department of the Interior
This page is https://pubs.usgs.gov/bulletin/b2123/ack.html
Contact: Scott Southworth
Last modified 08.29.00
This page is https://pubs.usgs.gov/bulletin/b2123/ack.html
Contact: Scott Southworth
Last modified 08.29.00