USGS - science for a changing world

USGS Online Publications Directory

Icon  Name                           Last modified      Size  
[PARENTDIR] Parent Directory - [DIR] 0022/ 2011-07-15 19:58 -

Accessibility FOIA Privacy Policies and Notices

USA.gov logo U.S. Department of the Interior | U.S. Geological Survey
URL: https://pubs.usgs.gov/of/1941/
Page Contact Information: Contact USGS