Geological Survey research 1975
Subtitle: a summary of recent significant scientific and economic results accompanied by a list of geologic and hydrologic investigations in progress and a report on the status of topographic mapping
Series: Geological Survey professional paper ; 975; Professional paper (Geological Survey (U.S.)) -- no. 975
Publisher: U.S. Govt. Print. Off.
Published: 1973
Place of publication: Washington
Language: eng
Number of pages: 373
Subjects: Geology -- Research; Hydrology -- Research
Notes: Includes indexes

Bibliography: p. 298-308