Clear mylar templates used to measure latitude and longitude of sample localities at scales of 1:63,360, and 1:250,000 between the latitudes of 49p0s00'00" and 71p0s30'00" N. or S.
By: by W.L. Campbell and G. Van Trump, Jr. ; United States Department of the Interior, Geological Survey
Contributors: VanTrump, G; Geological Survey (U.S.)
Series: Open-file report -- 82-724; Open-file report (Geological Survey (U.S.)) -- 82-724
Publisher: The Survey
Published: 1982
Place of publication: [Reston, Va.?]
Language: eng
Format: Microform
Subjects: Geographical positions -- United States; Latitude; Longitude
Notes: Microfiche. [Denver, Colo. : U.S. Geological Survey, 1982?]. 3 microfiches ; 11 x 15 cm

Bibliography: p. 3