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- [3] PATTERNS OF THICK COAL DEPOSITION ACROSS POWDER RIVER BASIN IN NORTHEASTERN WYOMING AAPG BULLETIN-AMERICAN ASSOCIATION OF PETROLEUM GEOLOGISTS, 1980, 64 (05): : 732 - 732
- [4] Styles of coal deposition in Tertiary alluvial deposits, Powder River Basin, Montana and Wyoming Special Paper of the Geological Society of America, 1986, 210 : 79 - 104
- [7] NATURE OF PETROGRAPHIC VARIATIONS IN SOME TERTIARY COAL BEDS, POWDER RIVER BASIN, MONTANA AND WYOMING AAPG BULLETIN-AMERICAN ASSOCIATION OF PETROLEUM GEOLOGISTS, 1986, 70 (08): : 1049 - 1049
- [9] GEOCHEMICAL INVESTIGATION OF GROUNDWATER IN POWDER RIVER BASIN, WYOMING TRANSACTIONS-AMERICAN GEOPHYSICAL UNION, 1978, 59 (04): : 278 - 278
- [10] VARIATION IN ELEMENT CONTENT OF PARMELIA-CHLOROCHROA FROM POWDER RIVER BASIN OF WYOMING AND MONTANA BRYOLOGIST, 1977, 80 (02): : 290 - 303