Geochemical data for historic mining areas, Central Western Slope, Colorado [electronic resource] / by J. Thomas Nash, Warren C. Day, and Anna B. Wilson.
Imprint
Denver, Colo. : U.S. Dept. of the Interior, U.S. Geological Survey, 2001.
System requirements: Adobe Acrobat Reader or Microsoft Word software (to access text of report), Microsoft Excel or Comma Separated Value compatible software (to access data files).