USGS - science for a changing world

USGS Online Publications Directory

Icon  Name                           Last modified      Size  
[DIR] Parent Directory                                    -   
[TXT] b2141.html                     17-Jun-2009 13:01  2.1K  
[   ] b2141.pdf                      11-Aug-1998 15:35  4.2M  
[IMG] flmplt.jpg                     11-Aug-1998 15:35   14K

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/bul/b2141/
Page Contact Information: GS Pubs Web Contact
Page Last Modified: Tuesday, July 28 2009, 01:08:18 PM