Research, investigations, and technical developments
Subtitle: National Mapping Program 1981
By: United States Department of the Interior, U.S. Geological Survey
Series: Open-file report -- 82-236; Open-file report (Geological Survey (U.S.)) -- 82-236
Publisher: The Survey
Published: 1982
Place of publication: Reston, Va
Language: eng
Format: Microform
Subjects: Geological Survey (U.S.). -- National Mapping Division
Notes: Microfiche. [Denver, Colo. : U.S. Geological Survey, 1982?]. 2 microfiches ; 11 x 15 cm

Bibliography: p. 73-82