ocr: 1999 ResourceAssessment of Selected Tertiary Coal Beds and Zones in the Northern Rocky Mountains and Great Plains Region The U.S. Geological Survey has assessed resources of selected coal Dise I and the PDF and TIFF files on Dise 2: ofthe Tertiary Fort Union Formation and equivalent units in the Northern Macintosh computer with 68020 (Macintosh II series) or greater Rocky Mountains and Great Plains region. The assessment focused on processor. MacOS 7.0 or later, 24 megabytes (MB) RAM, and 20 those selected coal beds and zones in the Powder River, Williston, MB hard-disk space. Hanna-Carbon, an ...
