TY - RPRT TI - Maps showing locations of holes drilled in 1950 and 1951 by U.S. Geological Survey, Blue Mesa area, Gateway district, Mesa and Montrose Counties, Colorado AU - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey PY - 1968 DO - 10.3133/ofr68305 UR - https://pubs.usgs.gov/publication/ofr68305 ID - ofr68305 ER -