TY - BOOK AU - Hickey,Leo J. TI - Stratigraphy and paleobotanyof the golden valley formation (early tertiary) of Western North Dakota SN - 0813711509 PY - 1977/// CY - Boulder, Colorado PB - The Geological Society of America KW - Geology, Stratigraphic KW - Tertiary KW - Paleobotany KW - Geology KW - North Dakota N1 - Bibliography: p. 174-181 ER -