TY - RPRT TI - Hydrology of the Arapahoe Aquifer in the Englewood-Castle Rock area south of Denver, Denver Basin, Colorado AU - Donald E. Hillier AU - R. E. Brogden AU - P. A. Schneider PY - 1976 DO - 10.3133/ofr76798 UR - https://pubs.usgs.gov/publication/ofr76798 ID - ofr76798 ER -