USGS Online Publications
Name Last modified Size
Parent Directory - ASCIIFiles/ 09-Jun-2005 13:48 - Data.xls 11-Aug-1999 03:00 2.2M Explanation/ 05-Mar-2007 10:24 - PDFFiles/ 05-Mar-2007 10:24 - Readme.pdf 21-Jul-1999 03:00 74K Readme.txt 21-Jul-1999 03:00 34K