Clear mylar templates used to measure latitude and longitude of sample localities at scales of 1:24,000, 1:62,500, 1:100,000 and 1:250,000 between the latitudes of 25 30' and 49 00' N or S. Lat.
Contributors: VanTrump, G.; Geological Survey (U.S.)
Series: Open-file report -- 81-747; Open-file report (Geological Survey (U.S.)) -- 81-747.
Publisher: The Survey
Published: 1981
Place of publication: [Reston, Va.?]
Language: eng
Subjects: Geographical positions -- United States.
Notes: Microfiche. [Denver, Colo. : U.S. Geological Survey, 1981?]. 2 microfiches ; 11 x 15 cm.

Includes bibliographical reference.