USGS - science for a changing world

USGS Online Publications Directory

Icon  Name                           Last modified      Size  
[DIR] Parent Directory                                    -   
[DIR] e00_files/                     12-Jun-1998 12:06    -   
[DIR] metadata/                      12-Jun-1998 12:07    -

Accessibility FOIA Privacy Policies and Notices

Take Pride in America logo USA.gov logo U.S. Department of the Interior | U.S. Geological Survey
URL: http://http://pubs.usgs.gov/of/1997/ofr-97-0681/
Page Contact Information: GS Pubs Web Contact
Page Last Modified: Tuesday, July 28 2009, 01:08:18 PM