New publications of the U. S. Geological Survey - Geological Survey (U.S.) (U. S. Geological Survey, Resto, Va. : Dept. of the Interior, 1990)
PTSL : ( list 1039-issued in Feb 95); (list 1018-issued in May 1993) ; ( lists 1083-1085 issued Oct.-Dec. 1998); (lists 1092-1094-issued July in Sept. 1999)
Keywords: Geology -- United States -- Surveys -- Bibliography