TY - RPRT TI - Mineral resources of the region around Boulder Dam AU - D. F. Hewett AU - Eugene Callaghan AU - B.N. Moore AU - T. B. Nolan AU - W.W. Rubey AU - W. T. Schaller PY - 1936 DO - 10.3133/b871 UR - https://pubs.usgs.gov/publication/b871 ID - b871 ER -