TY - RPRT TI - Water resources data for Montana, water year 1987, volume 2: Columbia River Basin AU - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey PY - 1988 DO - 10.3133/wdrmt872 UR - https://pubs.usgs.gov/publication/wdrMT872 ID - wdrMT872 ER -