Volume 27, Number 1
1 April 1989
In this Issue
Presence of rounded boulders and large cobbles at base of White River Group (Oligocene) strata in Southwest North Dakota and Northwest South Dakota
Rocky Mountain Geology April 01, 1989, Vol.27, 1-6. doi:https://doi.org/
Distribution of the Planomalinidae and the Schackoinidae in Upper Cretaceous strata of the Western Interior
Rocky Mountain Geology April 01, 1989, Vol.27, 7-13. doi:https://doi.org/
Stratigraphic occurrence of rodents and lagomorphs in the Orella Member, Brule Formation (Oligocene), northwestern Nebraska
Rocky Mountain Geology April 01, 1989, Vol.27, 15-20. doi:https://doi.org/
Rocky Mountain Geology April 01, 1989, Vol.27, 21-31. doi:https://doi.org/
Stratigraphy, sedimentary structures, and petrology of the middle Proterozoic Castner Marble, Franklin Mountains, far West Texas
Rocky Mountain Geology April 01, 1989, Vol.27, 33-39. doi:https://doi.org/
Constructing a time scale of biotic recovery across the Cretaceous–Paleogene boundary, Corral Bluffs, Denver Basin, Colorado, U.S.A.
Anthony J. Fuentes; William C. Clyde; Ken Weissenburger; Antoine Bercovici; Tyler R. Lyson; Ian M. Miller; Jahandar Ramezani; Vincent Isakson; Mark D. Schmitz; Kirk R. Johnson
A shallow rift basin segmented in space and time: The southern San Luis Basin, Rio Grande rift, northern New Mexico, U.S.A.
Benjamin J. Drenth; V.J.S. Grauch; Kenzie J. Turner; Brian D. Rodriguez; Ren A. Thompson; Paul W. Bauer
Laramide shortening and the influence of Precambrian basement on uplift of the Black Hills, South Dakota and Wyoming, U.S.A.
John S. Singleton; Skyler P. Mavor; Nikki M. Seymour; Stewart A. Williams; Annette I. Patton; Rachel C. Ruthven; Erinn P. Johnson; Michael G. Prior
Late Paleocene woods from Cherokee Ranch, Colorado, U.S.A.
Elisabeth A. Wheeler; Peter K. Brown; Allan J. Koch