TY - BOOK ID - 145416193 TI - A history of the water resources branch, U.S. Geological Survey : volume 1, from predecessor surveys to June 30, 1919 PY - 1994 PB - Washington : US geological survey, DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:145416193 AB - ER -