@misc{indiciaec6be03e9d82a, title = {Economic effects of western Federal land-use restrictions on U.S. coal markets}, author = {William Downing Watson and A.L. Medlin and K.K. Krohn and D.S. Brookshire and R. L. Bernknopf}, year = {1991}, doi = {10.3133/cir1042}, url = {https://pubs.usgs.gov/publication/cir1042}, note = {Source identifier: cir1042} }