@misc{indiciae80eb827a8c76, title = {Potential effects of surface coal mining on the hydrology of the Greenleaf-Miller area, Ashland coal field, southeastern Montana}, author = {G. W. Levings}, year = {1983}, doi = {10.3133/wri824101}, url = {https://pubs.usgs.gov/publication/wri824101}, note = {Source identifier: wri824101} }