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Publication Extents

Not all publications have extents, not all extents are completely accurate
Some American Jurassic ammonites of the genera Quenstedticeras, Cardioceras, and Amoeboceras, family Cardioceratida
John B. Reeside Jr.
1919, Professional Paper 118
The species cordiforme Meek and Hayden, distans Whitfield, canadense Whiteaves, and dubium Hyatt (probably including whitneyi J. P. Smith), variously assigned to the genera Amaltheus, Quenstediceras, Amoeboceras, and Cardioceras, and subtumidum Whitfield and Hovey, assigned to Aegoceras, include all the previously described species of Jurassic ammonites that are considered in...
The Kantishna region, Alaska
Stephen Reid Capps
1919, Bulletin 687
The Kantishna, region as here defined is bordered on the south by the crest of the Alaska Range, on the north by Tanana River, on the east by Nenana River, and on the west by lower Kantishna River and one of its main headward tributaries, McKinley Fork. (See fig. 1.) In...
Contributions to economic geology, 1918, Part I, Metals and nonmetals except fuel
F. L. Ransome, Ernest Francis Burchard, Hoyt S. Gale
1919, Bulletin 690
The Survey's "Contributions to economic geology " have been published annually since 1902. In 1906 the increase in the number of papers coming under this (Classification made it necessary to divide the contributions into two parts, one including, papers on metals and nonmetals except fuels and the other including papers...