A Description of colored gravity and terrain maps for the United States and adjacent Canada east of 104p0s
By: by R.W. Simpson ... [et al.] ; United States Department of the Interior, Geological Survey
Contributors: Simpson, Robert W; Geological Survey (U.S.)
Series: Open-file report -- 82-877; Open-file report (Geological Survey (U.S.)) -- 82-877
Publisher: The Survey
Published: 1982
Place of publication: [Reston, Va.?]
Language: eng
Format: Microform
Subjects: Gravity -- United States; Gravity -- Canada
Notes: Microfiche. [Denver, Colo. : U.S. Geological Survey, 1982?]. 1 microfiche ; 11 x 15 cm

Bibliography: p. 11