TY - RPRT TI - Radiochemical analyses of surface water from U.S. Geological Survey hydrologic bench-mark stations AU - V.J. Janzer AU - L.G. Saindon PY - 1972 DO - 10.3133/ofr72191 UR - https://pubs.usgs.gov/publication/ofr72191 ID - ofr72191 ER -