Stratigraphic notes, 1989-90
Subtitle: four short papers propose changes in stratigraphic nomenclature in Oregon, Vermont, Massachusetts, and southern Pakistan.
Contributors: Geological Survey (U.S.)
Series: Contributions to stratigraphy; U.S. Geological Survey bulletin -- 1935
Publisher: U.S. Geological Survey
Published: 1991
Place of publication: Reston, VA
Language: eng
Subjects: Geology, Stratigraphic -- Nomenclature -- United States -- Periodicals.
Genres: Nomenclature; Periodicals.
Notes:  88655011  t_oclc

Bibliogr.

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