U.S.G.S. planetary GIS Web server : PIGWAD : planetary interactive G.I.S.-on-the-Web analyzable database.

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Bibliographic Details
Imprint:	Flagstaff, AZ : U.S. Dept. of the Interior, U.S. Geological Survey, Astrogeology Research Program, [2000?]-
Description:	1 online resource
Language:	English
Subject:	Planetary geographic information systems. Planets -- Geology -- Maps. Planetary science -- Databases. Digital mapping. Digital mapping. Planetary geographic information systems. Planetary science. Planets -- Geology. Databases. Maps.
Format:	E-Resource U.S. Federal Government Document Journal
URL for this record:	http://pi.lib.uchicago.edu/1001/cat/bib/7893864
Related Items:	Continued by: MRCTR GIS lab

Hidden Bibliographic Details
Varying Form of Title:	PIGWAD Planetary interactive G.I.S.-on-the-Web analyzable database USGS planetary GIS Web server
Other authors / contributors:	Astrogeology Research Program (Geological Survey) Geological Survey (U.S.)
Frequency:	Updated irregularly
Date / volume:	Ceased publication.
Notes:	Title from web page last updated Sept. 10, 2009 (viewed on Nov. 19, 2009). "This site will no longer receive updates. Please visit the new MRCTR ('Mercator') GIS Lab web site"--Web page (viewed Mar. 8, 2016). Mode of access: Internet from the U.S. Geological Survey web site. Address as of 11/19/09: http://webgis.wr.usgs.gov/; current access is available via PURL.
GPO item no.:	0621-S-01 (online)
Govt.docs classification:	I 19.179/2:

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