TY - RPRT TI - Map showing configuration and thickness, and potentiometric surface and water quality in the Madison Group, Powder River basin, Wyoming and Montana AU - F. A. Swenson AU - W. R. Miller AU - W.G. Hodson AU - F. N. Visher PY - 1976 DO - 10.3133/i847c UR - https://pubs.usgs.gov/publication/i847C ID - i847C ER -