TY - RPRT TI - Statement on the hydrology of pre-Pleistocene (?) aquifers, from a chapter on water resources to be included in a Geological Survey report on the geology of North Utah Valley AU - H. E. Thomas PY - 1949 DO - 10.3133/ofr49117 UR - https://pubs.usgs.gov/publication/ofr49117 ID - ofr49117 ER -