Physiographic diagrams of Mount St. Helens, Washington showing changes in its summit crater, 1982 /

Bibliographic Details
Main Author:	Alpha, Tau Rho
Format:	Government Document Map
Language:	English
Published:	Reston, Va. : U.S. Geological Survey, 1983.
Series:	Miscellaneous field studies map (Geological Survey (U.S.)) ; MF-1608.
Subjects:	Saint Helens, Mount (Wash.) > Maps. Washington (State) > Maps. Volcanoes > Washington (State) > Saint Helens, Mount. Volcanoes. Washington (State) Washington (State) > Mount Saint Helens. Physical maps. Maps.

Description
Item Description:	Location map on sheet. Perspective views of crater, viewed from north on March 25, April 9, May 21, July 1, and Aug. 24, 1982. Cartographic material.
Physical Description:	6 diagrams ; on sheet 84 x 103 cm.