Physiographic diagrams of the May 18, 1980, landslide-eruption of Mount St. Helens, Washington /

Bibliographic Details
Main Author:	Alpha, Tau Rho
Corporate Author:	Geological Survey (U.S.)
Other Authors:	Moore, James Gregory, 1930-
Format:	Government Document Map
Language:	English
Published:	Reston, Va. : The Survey, 1981.
Series:	Miscellaneous field studies ; map MF-1289.
Subjects:	Volcanoes > Washington > Saint Helens, Mount > Description and travel > Aerial > Maps.

Description
Item Description:	Relief shown pictorially. Bird's-eye-view. Includes location map and text. Cartographic material.
Physical Description:	6 views on 1 sheet ; on sheet 63 x 101 cm., folded in envelope 25 x 31 cm.