Four newly named tongues of Eocene Green River Formation, northern Piceance Creek basin, Colorado
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Bulletin↗
Geology topics
R. B. O'Sullivan
Publications and source records attributed to R. B. O'Sullivan.
Preliminary geologic map of the Segar Mountain Quadrangle, Rio Blanco County, Colorado
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Miscellaneous Field Studies Map↗
Stratigraphy of the Cretaceous rocks and the Tertiary Ojo Alamo Sandstone, Navajo and Hopi Indian Reservations, Arizona, New Mexico, and Utah
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Professional Paper↗
The upper part of the Upper Triassic Chinle Formation and related rocks, southeastern Utah and adjacent areas
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Professional Paper↗
Preliminary geologic map of western San Juan basin, San Juan and McKinley Counties, New Mexico
No abstract available.
New Mexico↗