USGS - science for a changing world

USGS Online Publications Directory

Icon  Name                           Last modified      Size  
[PARENTDIR] Parent Directory - [IMG] plate-1-thumb.jpg 2011-09-06 12:32 4.6K [   ] plate-1.pdf 2011-09-09 14:22 9.7M [IMG] plate-2-thumb.jpg 2011-09-06 12:32 4.2K [   ] plate-2.pdf 2011-09-09 14:22 10M [IMG] report-thumb.jpg 2012-07-25 16:12 8.3K [   ] report.pdf 2012-07-24 17:24 53M

Accessibility FOIA Privacy Policies and Notices

USA.gov logo U.S. Department of the Interior | U.S. Geological Survey
URL: https://pubs.usgs.gov/bul/1942/
Page Contact Information: Contact USGS