USGS Online Publications Directory
Name Last modified Size Parent Directory - b1989i.html 15-Dec-2005 20:43 5.7K b1989i.pdf 14-Aug-1998 16:13 1.2M b1989i.pdf.md5.old 02-Mar-2007 15:27 33 title.gif 14-Aug-1998 16:13 4.6K