Database for the geologic map of the Skykomish River 30-minute by 60-minute quadrangle, Washington (I-1963) [electronic resource] / by R.W. Tabor ... [et al.] ; U.S. Department of the Interior, U.S. Geological Survey.
Imprint
Menlo Park, Calif. : U.S. Geological Survey, 2006.
Mode of access: Internet from the USGS web site. Address as of 1/17/08: http://pubs.usgs.gov/ds/2006/222/; current access via PURL.
Note
Title from HTML index page (viewed on Jan. 23, 2007).
System Details
System requirements: PC with Internet access, ability to read .pdf (Portable Document Format) files, ArcInfo 9.1 software and a Tar utility to extract compressed data from the tar file.
