Origin of divergent magmas at Crater Lake, Oregon /

Bibliographic Details
Main Author:	Ritchey, Joseph Landon, 1943-
Format:	Thesis Book
Language:	English
Published:	[Place of publication not identified] : [publisher not identified] ; 1979.
Subjects:	Crater Lake (Or.) Geology > Oregon > Crater Lake. Geology, Structural. Volcanism > Oregon > Crater Lake.

Description
Item Description:	Typescript (photocopy).
Physical Description:	xii, 209 leaves, bound : illustrations, maps ; 29 cm.
Bibliography:	Includes bibliographical references.