Coal availability in the Hilight quadrangle, Powder River Basin, Wyoming: a prototype study in a western coal field
by 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)
Coal bed name | Original | Category 1 | Category 2 | ||||||
resources | Land Use | Technologic | TOTAL | Available | % available | Land Use | Technologic | TOTAL | |
Restrictions | Restrictions | Restrictions | Restrictions | Restrictions | Restrictions | ||||
Rider Wyodak | 396 | 86 | 7 | 91 | 305 | 77% | 85 | 0 | 85 |
Main Wyodak | 2,851 | 678 | 274 | 942 | 1,909 | 67% | 604 | 3 | 607 |
Lower Wyodak | 540 | 52 | 45 | 96 | 444 | 82% | 110 | 2 | 112 |
Wildcat | 344 | 344 | |||||||
Moyer | 293 | 293 | |||||||
OVERALL | 4,424 | 816 | 326 | 1,766 | 2,658 | 60% | 799 | 5 | 804 |
Notes: Totals are not necessarily sums because of overlapping restrictions. Wildcat and Moyer coal beds are considered entirely unavailable because of their depth. |