Preliminary isostatic gravity map of Joshua Tree National Park and vicinity, southern California [electronic resource] / by V.E. Langenheim ... [et al.]
Mode of access: Internet from the USGS web site. Address as of 12/14/07: http://pubs.usgs.gov/of/2007/1218/; current access via PURL.
Note
Title from HTML index page (viewed on Sept. 14, 2007).
Includes location map, text, and 1 ancillary map.
At head of title: Geophysical Unit of Menlo Park, Calif. (GUMP)
System Details
System requirements: PC with Internet access and ability to handle 43 MB .pdf (Portable Document Format) map image file and/or 1 MB Excel "workbook" data file.
