TY - RPRT TI - Preliminary map showing distribution of potash resources, Carlsbad mining district, Eddy and Lea counties, New Mexico AU - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey PY - 1979 DO - 10.3133/ofr791579 UR - https://pubs.usgs.gov/publication/ofr791579 ID - ofr791579 ER -