TY - RPRT TI - Hydrogeology of the Morrison Formation in the San Juan structural basin, New Mexico, Colorado, Arizona, and Utah AU - William L. Dam AU - J. M. Kernodle AU - G. W. Levings AU - S. D. Craigg PY - 1990 DO - 10.3133/ha720j UR - https://pubs.usgs.gov/publication/ha720J ID - ha720J ER -