Biological Investigations in Alaska and Yukon Territory (open access)

Biological Investigations in Alaska and Yukon Territory

From letter of transmittal: "Report on biological investigations made in the interior of Alaska and the Yukon territory in 1903 and 1904. It consists of separate reports on three distinct areas, describing the physiography and giving detailed accounts of the animal life of the region."
Date: October 7, 1909
Creator: Osgood, Wilfred H.
System: The UNT Digital Library
The Rabbits of North America (open access)

The Rabbits of North America

From introduction: "Revision to include all known hares and rabbits of North America from Isthmus of Panama to north Greenland."
Date: August 31, 1909
Creator: Nelson, E. W.
System: The UNT Digital Library
Revision of the Mice of the American Genus Peromyscus (open access)

Revision of the Mice of the American Genus Peromyscus

From letter of transmittal: "The work consists of a systematic study of all the members of the genus, and includes keys for the identification of the various forms, together with the necessary illustrations, and maps showing the geographic distribution of the species."
Date: April 17, 1909
Creator: Osgood, Wilfred H.
System: The UNT Digital Library
Dependence of Magnetic Hysteresis upon Wave Form (open access)

Dependence of Magnetic Hysteresis upon Wave Form

Report issued by the Bureau of Standards over studies on magnetic hysteresis and its dependence upon wave form. Methods and equipment used during the studies are presented and discussed. This report includes tables, and illustrations.
Date: 1909
Creator: Lloyd, Morton G.
System: The UNT Digital Library
The Geology and Ore Deposits of Goldfield, Nevada (open access)

The Geology and Ore Deposits of Goldfield, Nevada

This report describes the geology and ore deposits of Goldfield, Nevada.
Date: 1909
Creator: Ransome, Frederick Leslie
System: The UNT Digital Library
Geology and Water Resources of the Northern Portion of the Black Hills and Adjoining Regions in South Dakota and Wyoming (open access)

Geology and Water Resources of the Northern Portion of the Black Hills and Adjoining Regions in South Dakota and Wyoming

Introduction: this paper, which supplements the report on the geology and water resources of the southern half of the Black Hills, published in 1901, is the result of studies made at intervals during the years 1899 to 1907.
Date: 1909
Creator: Darton, Nelson Horatio
System: The UNT Digital Library
Notes on Explosive Mine Gases and Dusts: with Special Reference to Explosions in the Monongah, Darr, and Naomi Coal Mines (open access)

Notes on Explosive Mine Gases and Dusts: with Special Reference to Explosions in the Monongah, Darr, and Naomi Coal Mines

From Introduction: "The studies herein reported were begun as a part of researches undertaken by the United States Geological Survey looking to the more efficient utilization of the coal in the United States through the reduction of the waste in its extraction, and were continued as part of further researches having regard to the conversation of the fuel resources of this country and to the lessening of injuries and fatalities in coal mining."
Date: 1909
Creator: Chamberlin, Rollin Thomas
System: The UNT Digital Library
The Yakutat Bay Region, Alaska: Physiography, Glacial, and Areal Geology (open access)

The Yakutat Bay Region, Alaska: Physiography, Glacial, and Areal Geology

Physiography and glacial geology of the Yakutat Bay Region in Alaska.
Date: 1909
Creator: Tarr, Ralph S. & Butler, Bert S.
System: The UNT Digital Library
A Biological Investigation of the Athabaska-Mackenzie Region (open access)

A Biological Investigation of the Athabaska-Mackenzie Region

From introduction: "Report of 1901 expedition of Athabaska-Mackenzie region to obtain representative collections of the mammals, birds, and plants."
Date: October 26, 1908
Creator: Preble, Edward A.
System: The UNT Digital Library
A New Form of Standard Resistance (open access)

A New Form of Standard Resistance

Report issued by the Bureau of Standards over new developments of electrical resistivity in manganin wire coils. The results of the developments are discussed. This report includes tables, illustrations, and photographs.
Date: October 1, 1908
Creator: Rosa, Edward B.
System: The UNT Digital Library
Selective Radiation from the Nernst Glower (open access)

Selective Radiation from the Nernst Glower

Report issued by the Bureau of Standards over studies conducted on the radiation emitted from a Nernst filament. Methods and results of the studies are presented and discussed. This report includes tables, and illustrations.
Date: 1908
Creator: Coblentz, W. W.
System: The UNT Digital Library
The Testing of Glass Volumetric Apparatus (open access)

The Testing of Glass Volumetric Apparatus

Report issued by the Bureau of Standards over testing conducted on volumetric glass apparatus. Types of glass apparatus being tested are presented and discussed. The results of the testing are also discussed. This report includes tables, illustrations, and photographs.
Date: 1908
Creator: Osborne, N. S. & Veazey, B. H.
System: The UNT Digital Library
A New Determination of the Ratio of the Electromagnetic to the Electrostatic Unit of Electricity [Part 1] (open access)

A New Determination of the Ratio of the Electromagnetic to the Electrostatic Unit of Electricity [Part 1]

Report issued by the Bureau of Standards over new determinations made in regard to units of electricity. Methods and equipment used are discussed. This report includes tables, illustrations, and photographs. Part 1 includes sections I through VI.
Date: 1907
Creator: Rosa, Edward B. & Dorsey, N. E.
System: The UNT Digital Library
A New Determination of the Ratio of the Electromagnetic to the Electrostatic Unit of Electricity [Part 2] (open access)

A New Determination of the Ratio of the Electromagnetic to the Electrostatic Unit of Electricity [Part 2]

Report issued by the Bureau of Standards over studies of the determination of the ratio of electricity. The ratio of electromagnetic to electrostatic units of electricity is discussed in detail. This report includes tables, illustrations, and photographs. Part 2 includes section VII and concluding remarks.
Date: 1907
Creator: Rosa, Edward B. & Dorsey, N. E.
System: The UNT Digital Library
On the Establishment of the Thermodynamic Scale of Temperature by Means of the Constant-Pressure Thermometer (open access)

On the Establishment of the Thermodynamic Scale of Temperature by Means of the Constant-Pressure Thermometer

Report issued by the Bureau of Standards over two different types of gas thermometry, with its main focus on the constant-pressure thermometer. The thermodynamic scale of temperature is also discussed. This report includes tables, and illustrations.
Date: 1907
Creator: Buckingham, Edgar
System: The UNT Digital Library
On the Standard Scale of Temperature in the Interval of 0⁰ to 100⁰ Celsius (open access)

On the Standard Scale of Temperature in the Interval of 0⁰ to 100⁰ Celsius

Report issued by the Bureau of Standards over the temperature scale from 0 to 100 degrees Celsius. Details on the history and use of the scale are discussed. This report includes tables, illustrations, and photographs.
Date: 1907
Creator: Waidner, C. W. & Dickinson, H. C.
System: The UNT Digital Library
Revision of the Skunks of the Genus Spilogale (open access)

Revision of the Skunks of the Genus Spilogale

From introduction: "Revision of skunk genus Spilogale based upon a study of about 380 skins with skulls and 75 additional skulls from the collection of the Biological Survey."
Date: November 24, 1906
Creator: Howell, Arthur H.
System: The UNT Digital Library
Economic Geology of the Independence Quadrangle, Kansas (open access)

Economic Geology of the Independence Quadrangle, Kansas

From introduction: The aim of this paper is to present the substance of what is known concerning the distribution, occurrence, and development of the oil and gas of the quadrangle, and to note briefly the more important industries growing out of these natural resources or depending on them within the territory considered.
Date: 1906
Creator: Schrader, Frank C. & Haworth, Erasmus
System: The UNT Digital Library
Mineral Resources of Kenai Peninsula, Alaska (open access)

Mineral Resources of Kenai Peninsula, Alaska

From introduction: This report details the mineral resources of Kenai Peninsula.
Date: 1906
Creator: Moffit, Fred H. & Stone, Ralph W.
System: The UNT Digital Library
The Mutual Inductance of Two Circular Coaxial Coils of Rectangular Section (open access)

The Mutual Inductance of Two Circular Coaxial Coils of Rectangular Section

Report issued by the Bureau of Standards over formulas proposed "for calculating the mutual inductance of coaxial coils" (p. 359). The different formulas proposed are presented and discussed. This report includes tables, and illustrations.
Date: 1906
Creator: Rosa, Edward B. & Cohen, Louis
System: The UNT Digital Library
Reconnaissance of Some Gold and Tin Deposits of the Southern Appalachians: With Notes on the Dahlonega Mines (open access)

Reconnaissance of Some Gold and Tin Deposits of the Southern Appalachians: With Notes on the Dahlonega Mines

From introduction: This report is a brief preliminary study of the mineral resources of a portion of the Piedmont region.
Date: 1906
Creator: Graton, L. C. & Lindgren, Waldemar
System: The UNT Digital Library
[Reports on the Juneau and Admiralty Island Areas, Alaska] (open access)

[Reports on the Juneau and Admiralty Island Areas, Alaska]

From introduction: From introduction: The present report upon the work of this field season is accompanied by topographic and geologic maps of the vicinity of Juneau, and of a mainland strip extending approximately 200 miles along the coast.
Date: 1906
Creator: Spencer, Arthur C. & Wright, Charles Will
System: The UNT Digital Library
The Yukon-Tanana Region, Alaska: Description of Circle Quadrangle (open access)

The Yukon-Tanana Region, Alaska: Description of Circle Quadrangle

From preface: In planning the surveys and investigations of Alaska, the attempt was made to cover first those regions which were of the greatest economic importance.
Date: 1906
Creator: Prindle, L. M.
System: The UNT Digital Library
Zinc and Lead Deposits of the Upper Mississippi Valley (open access)

Zinc and Lead Deposits of the Upper Mississippi Valley

From introduction: This report investigates the zinc and lead deposits of the Upper Mississippi Valley.
Date: 1906
Creator: Bain, Harry Foster
System: The UNT Digital Library