Coal availability in the Hilight quadrangle, Powder River Basin, Wyoming: a prototype study in a western coal field
bby Carol L. Molnia, Laura R. H. Biewick, Dorsey Blake, Susan J. Tewalt, M. Devereux Carter (US Geological Survey), and Charlie Gaskill (Bureau of Land Management)
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Figure 7. Map showing additional land-use features of the Hilight quadrangle. 
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U.S. Geological Survey Open-File Report 97-469