Precambrian basement map of the northern midcontinent, U.S.A.
By: compiled by P.K. Sims ; prepared in cooperation with the Geological Surveys of Arkansas ... [et al.]
Contributors: Arkansas Geological Survey; Geological Survey (U.S.)
Series: Open-file report -- 85-0604; U.S. Geological Survey open-file report -- 85-604
Publisher: U.S. Dept. of the Interior, Geological Survey
Published: 1985
Place of publication: [Reston, Va.?]
Language: eng
Format: Microform
Subjects: Geology, Stratigraphic -- Precambrian; Shields (Geology) -- United States
Notes: Distributed to depository libraries in microfiche

Bibliography: p. 11-16

Microfiche. [Denver, Colo. : U.S. Dept. of the Interior, Geological Survey, 1986?]. 2 microfiches ; 11 x 15 cm