USGS - science for a changing world

USGS Online Publications Directory

Icon  Name                           Last modified      Size  
[PARENTDIR] Parent Directory                                    -   
[   ] ofr1981174.pdf                 2018-06-04 13:31  218K

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/1981/0174/
Page Contact Information: Contact USGS