Seismicity map of the State of Montana [cartographic material] / by B.G. Reagor, C.W. Stover, and S.T. Algermissen

Author: Reagor, B. Glen
Published: Reston, Va. : U.S. Geological Survey, 1985.
Physical Description: 1 map ; 54 x 94 cm, on sheet 66 x 99 cm, folded in envelope 25 x 32 cm + 1 data sheet (96 x 138 cm)
Additional Creators: Stover, Carl W., Algermissen, Sylvester Theodore, 1932-2006, and Geological Survey (U.S.)