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Contributions to the hydrology of the United States, 1914
No abstract available.
Authors
Nathan C. Grover
Contributions to the stratigraphy of southwestern Colorado
In the course of field work of the United States Geological Survey in the San Juan region of Colorado observations have been made in the last three seasons that considerably extend our knowledge of the great stratigraphic break below the La Plata sandstone, which is currently assumed to be of Jurassic age. The new data pertain partly to the relations existing in the Gunnison Valley, north of the S
Authors
Whitman Cross, E. S. Larsen
Dike rocks of the Apishapa quadrangle, Colorado
The Apishapa quadrangle, the geographic relations of which are shown by Plate IV, is situated on the plains south of Arkansas River, in Colorado, about 24 miles east of the mountain front. The geology of the Pueblo, Walsenburg, Spanish Peaks, and Elmoro quadrangles, adjoining it on the northwest, west, southwest, and south, respectively, has been described in folios of the Geologic Atlas. G. K. Gi
Authors
Whitman Cross
Erosion and sedimentation in Chesapeake Bay around the mouth of Choptank River
With the unfolding of geologic knowledge during the last century the processes of denudation, transportation of sediments, and sedimentation have become better understood, and to some extent their relative effects in bringing about the present configuration of the earth's surface have been determined. The nature of these processes has been studied in many parts of the globe, but owing to the large
Authors
J. Fred Hunter
Fauna of the so-called Boone chert near Batesville, Arkansas
No abstract available.
Authors
George Herbert Girty
Faunas of the Boone limestone at St. Joe, Arkansas
No abstract available.
Authors
George Herbert Girty
Geology and mineral deposits of the National mining district, Nevada
No abstract available.
Authors
Waldemar Lindgren
Geology and mineral resources of Kenai peninsula, Alaska
No abstract available.
Authors
George Curtis Martin, Bertrand Leroy Johnson, Ulysses Sherman Grant