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Recurrent Tropidoleptus Zones of the Upper Devonian in New York

Description: From introduction: This report describes the four zones, three well-marked and one subordinate, in the Upper Devonian rocks, each of which contained several species that are common in the typical Hamilton formation of the Cayuga Lake section and are associated with very few of the really characteristic species of the faunas normal to the formations in which they are found.
Date: 1913
Creator: Williams, Henry Shaler
Item Type: Report
Partner: UNT Libraries Government Documents Department

The San Franciscan Volcanic Field, Arizona

Description: Introduction: This report deals primarily with the volcanic phenomena of the region as determined in the field and laboratory.
Date: 1913
Creator: Robinson, Henry Hollister
Item Type: Report
Partner: UNT Libraries Government Documents Department

Shorter Contributions to General Geology, 1913

Description: Preface: The present paper is the first of a new series to be published by the Geological Survey under the title "Shorter contributions to general geology."
Date: 1914
Creator: White, David
Item Type: Report
Partner: UNT Libraries Government Documents Department

Reptilian Faunas of the Torrejon, Puerco, and Underlying Upper Cretaceous Formations of San Juan County, New Mexico

Description: introduction: The present paper, which in some respects is supplementary to another recent one on the same region, is based on a series of vertebrate remains collected during the field season of 1916 for the United States Geological Survey by J.B. Reeside, jr., and F.R. Clark.
Date: 1919
Creator: Gilmore, Charles W.
Item Type: Report
Partner: UNT Libraries Government Documents Department

The Calcite Marble and Dolomite of Eastern Vermont

Description: From introduction: The object of this bulletin is twofold-to locate definitely and to describe accurately the marbles and dolomites of eastern Vermont, with a view to setting forth their possible economic uses and to discuss whatever features of scientific interest they may present.
Date: 1915
Creator: Dale, T. Nelson
Item Type: Report
Partner: UNT Libraries Government Documents Department

Mineral Resources of Alaska: Report on Progress of Investigations in 1913

Description: From preface: The present volume is the tenth of a series of annual bulletins treating of the progress of mining in Alaska and summarizing the results achieved during the year in the investigations of the mineral resources of the Territory.
Date: 1914
Creator: Brooks, Alfred H.
Item Type: Report
Partner: UNT Libraries Government Documents Department

Geology and Ore Deposits of Lemhi County, Idaho

Description: From introduction: The present report embodies the results of reconnaissance studies in the nineteen mining districts of Lemhi County, Idaho.
Date: 1913
Creator: Umpleby, Joseph B.
Item Type: Report
Partner: UNT Libraries Government Documents Department

The Mining Districts of the Western United States

Description: From introduction: This is the most current attempt to locate all the mining districts of the western states.
Date: 1912
Creator: Hill, James M. & Lindgren, Waldemar
Item Type: Report
Partner: UNT Libraries Government Documents Department

Revision of the Pocket Gophers of the Genus Thomomys

Description: Describes habits, predators, morphology, sexual variation, pelages, and distribution of pocket gophers. Describes genera and group relations. Describes, lists locations and distribution, and provides a key for species and subspecies.
Date: November 15, 1915
Creator: Bailey, Vernon
Item Type: Report
Partner: UNT Libraries Government Documents Department

Revision of the Spiny Pocket Mice: (Genera Heteromys and Liomys)

Description: From introduction: "Result of a study of the spiny pocket mice in the collection of the Biological Survey, now numbering nearly 1,000 specimens, supplemented by about 130 in the United States National Museum and from various sources."
Date: September 7, 1911
Creator: Goldman, Edward A.
Item Type: Report
Partner: UNT Libraries Government Documents Department

A Review of the American Moles

Description: Discusses habits; economic status; characteristics and development of young; pelages and molts; and geographic, individual, sexual, and age variation. Describes subfamilies, history, and generic names of the family Talpidae. Describes, lists locations, and provides a key for genera, species and subspecies.
Date: September 30, 1915
Creator: Jackson, Hartley H. T.
Item Type: Report
Partner: UNT Libraries Government Documents Department

Revision of the Wood Rats of the Genus Neotoma

Description: From introduction: "Result of a study of the wood rats in the collection of the Biological Survey, numbering over 3,000 specimens, including topotypes of most of the species."
Date: October 19, 1910
Creator: Goldman, Edward A.
Item Type: Report
Partner: UNT Libraries Government Documents Department

Life Zones and Crop Zones of New Mexico

Description: Discusses geography, climate, agricultural practices, and crops of each life zone in New Mexico. Provides mammal, breeding bird, reptile, amphibian, and plant species list for each zone. Includes a life zone map.
Date: September 5, 1913
Creator: Bailey, Vernon
Item Type: Report
Partner: UNT Libraries Government Documents Department