Description
Physical Description:1 section : color ; 50 x 97 cm, on sheet 101 x 142 cm, folded in envelope 30 x 24 cm.
Also available via the Internet from the USGS web site.
Bibliography:Includes text, bibliographical references, 1 location map, 1 chart, and 3 tables.
ISBN:060786642X
9780607866421