Chemical analyses of rocks and glass separates from Crater Lake National Park and vicinity, Oregon
By: by Peggy E. Bruggman ... [et al.].
Contributors: Bruggman, Peggy E.; Geological Survey (U.S.)
Series: Open-file report -- 87-57; U.S. Geological Survey open-file report -- 87-57.
Publisher: Dept. of the Interior, U.S. Geological Survey
Published: 1987
Place of publication: [Reston, Va.?]
Language: eng
Format: Microform
Subjects: Geochemistry -- Oregon -- Crater Lake National Park.
Notes: Distributed to depository libraries in microfiche.

Chiefly tables.

Microfiche. [Denver, Colo. : U.S. Geological Survey, 1987?]. 1 microfiche ; 11 x 15 cm.