Ages of rocks in southwestern Washington and northwestern Oregon as indicated by paleontological and isotopic dates
By: by Wendy A. Niem and Alan R. Niem
Contributors: Niem, Alan R; Geological Survey (U.S.)
Series: Open-file report -- 92-344; U.S. Geological Survey open-file report -- 92-344
Publisher: U.S. Dept. of the Interior, U.S. Geological Survey; [Books and Open-File Reports Section, distributor]
Published: 1992
Place of publication: Denver, CO
Language: eng
Format: Microform
Subjects: Geological time; Radioactive dating -- Washington (State); Radioactive dating -- Oregon
Notes: Cover title

Distributed to depository libraries in microfiche

Shipping list no.: 93-0368-M

Includes bibliographical references (p. 107-115)

Microfiche. [Denver, Colo. : U.S. Geological Survey, 1993] 6 microfiches : negative