@article{122544, recid = {122544}, author = {Haley, Boyd Raymond,}, title = {Resources of low-volatile bituminous coal and semianthracite in west-central Arkansas, 1978 /}, publisher = {U.S. Geological Survey,}, address = {Denver, CO :}, pages = {iii, 54 p. :}, year = {1987}, note = {Supplement to U.S. Geological Survey bulletin 1072-P.}, url = {http://library.usi.edu/record/122544}, }