Description
Item Description:Shipping list no.: 85-0970-P.
Physical Description:x, 147 pages : illustrations, maps ; 26 cm.
Also available via Internet from the USGS web site as a .DJVU file. Address as of 9/18/08: http://pubs.er.usgs.gov/usgspubs/cir/cir946; current access available via PURL.