TY - RPRT TI - Effect of an algal amendment on the microbial conversion of coal to methane at different sulfate concentrations from the Powder River Basin, USA AU - Heidi J. Smith AU - Hannah S. Schweitzer AU - Elliott P. Barnhart AU - William H. Orem AU - Robin Gerlach AU - Matthew W. Fields PY - 2021 DO - 10.1016/j.coal.2021.103860 UR - https://pubs.usgs.gov/publication/70225742 ID - 70225742 ER -