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Publication Extents

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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...
Thirty-ninth annual report of the Director of the United States Geological Survey
George Otis Smith
1918, Annual Report 39
The appropriations for the work of the United States Geological Survey for the fiscal year 1917-18 comprised items amounting to $1,750,520. The plan of operations as approved by the Secretary of the Interior contemplated surveys and investigations in the United States and Alaska designed mainly to obtain information or to...
Thirty-eighth annual report of the Director of the United States Geological Survey
George Otis Smith
1917, Annual Report 38
The appropriations for the work of the United States Geological Survey for the fiscal year 1916-17 comprised items amounting to $1,605,520. The plan of operations as approved by the Secretary of the Interior included geologic surveys in the United States and Alaska, reconnaissance and detailed, of 40,937 square miles, topographic...