A Description of an extremely low frequency loop-loop geophysical system
By: by J. Cooke ... [et al.]
Contributors: Cooke, J. 1937-; Geological Survey (U.S.)
Series: Open-file report -- 81-1130; Open-file report (Geological Survey (U.S.)) -- 81-1130
Publisher: U.S. Dept. of the Interior, Geological Survey
Published: 1981
Place of publication: [Reston, Va.?]
Language: eng
Format: Microform
Subjects: Prospecting -- Geophysical methods -- Instruments
Notes: Microfiche. [Denver, Colo. : U.S. Geological Survey, 1981?]. 2 microfiches ; 11 x 15 cm