Signature tests on 400-in ir gun
By: by Deborah R. Hutchinson.
Contributors: Geological Survey (U.S.)
Series: Open-file report -- 84-375.; Open-file report (Geological Survey (U.S.)) -- 84-375.
Publisher: U.S. Dept. of the Interior, Geological Survey
Published: 1984
Place of publication: [Reston, Va.?]
Language: eng
Format: Microform
Subjects: Seismic reflection method.; Seismology.
Notes: Bibliography: leaf 4.

Microfiche. [Denver, Colo. : U.S. Geological Survey, 1984?]. 1 microfiche ; 11 x 15 cm.