USGS Online Publications Directory
Name Last modified Size Parent Directory - plate-2-thumb.jpg 2011-05-03 18:42 8.9K plate-1-thumb.jpg 2011-05-03 18:42 9.6K plate-1.pdf 2011-04-08 14:50 4.6M plate-2.pdf 2011-04-08 14:50 4.7M