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This is a coverage of the Colorado Plateau coal assessment study area. The study area outline was drawn on the county lines that most closely outline the coal-bearing rocks in the Colorado Plateau Region. The county outlines originate from a national coverage for which lines were extracted from U.S. Census 1990 TIGER/line files using an AML program written by Nebert, D., and Negri, M., USGS-Water Resources Division (WRD), running on two Data General 6220 servers.
Categories: Web Site; Tags: 04001 = Apache, 04005 = Coconino, 04007 = Gila, 04009 = Graham, 04011 = Greenlee,
Chemical Composition of Samples Collected from Waste Rock Dumpsand Other Mining-Related Features at Selected Phosphate Minesin Southeastern Idaho, Western Wyoming, and Northern Utah
This text file contains chemical analyses for 31 samplescollected from various phosphate mine sites in southeasternIdaho (25), northern Utah (2), and western Wyoming (4).