Geology and Ore Deposits of the Breckenridge District, Colorado (open access)

Geology and Ore Deposits of the Breckenridge District, Colorado

Study of the geology and ore deposits of the Breckenridge District in Colorado.
Date: 1911
Creator: Ransome, Frederick Leslie
Object Type: Report
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.
Object Type: Report
System: The UNT Digital Library
A Late Volcanic Eruption in Northern California and its Peculiar Lava (open access)

A Late Volcanic Eruption in Northern California and its Peculiar Lava

Synopsis: The Lassen Peak, Volcanic Ridge, which connects the northern end of the Sierra Nevada in California with the Coast Range and separates the upper portion of the Sacramento Valley from the great interior basin, is composed chiefly of lavas from many volcanic reuptions.
Date: 1891
Creator: Diller, J. S.
Object Type: Report
System: The UNT Digital Library
The Chakachamna-Stony Region, Alaska (open access)

The Chakachamna-Stony Region, Alaska

A report on the exploration and survey of the Chakachamna-Stony Region of Alaska.
Date: 1930
Creator: Capps, Stephen R.
Object Type: Report
System: The UNT Digital Library
Mining in the Fortymile District Alaska (open access)

Mining in the Fortymile District Alaska

Introduction: At the end of the field season the writer visited the mining plants in the Fortymile district, and this paper, resulting from these examinations, is intended mainly to sketch the present progress of mining development in the district.
Date: 1930
Creator: Mertie, John Beaver, Jr.
Object Type: Report
System: The UNT Digital Library
On the Fossil Faunas of the Upper Devonian: the Genesee Section, New York (open access)

On the Fossil Faunas of the Upper Devonian: the Genesee Section, New York

From letter of transmittal: The present report includes special discussion of the faunas of the Hamilton group and of those below the black shales of the Genesee group is omitted.
Date: 1887
Creator: Williams, Henry Shaler
Object Type: Report
System: The UNT Digital Library
Tertiary and Cretaceous Strata of the Tuscaloosa, Tombigbee, and Alabama Rivers (open access)

Tertiary and Cretaceous Strata of the Tuscaloosa, Tombigbee, and Alabama Rivers

From preface: This bulletin is based upon the observations of the Tertiary and Cretaceous strata exposed along the Tuscaloosa, Tombigbee, and Alabama Rivers in the state of Alabama.
Date: 1887
Creator: Smith, Eugene Allen & Johnson, Lawrence C.
Object Type: Report
System: The UNT Digital Library
Notes on the Geology of Upper Nizina River Alaska (open access)

Notes on the Geology of Upper Nizina River Alaska

Introduction: It is not intended to give here a full account of the geology of the district but rather to present certain new features that were observed during the season, with enough of the general geology, which is already well known and fully described in other publications, to make them understandable.
Date: 1928
Creator: Moffit, Fred H.
Object Type: Report
System: The UNT Digital Library
Geology of the Southern Salinas Valley Area, California (open access)

Geology of the Southern Salinas Valley Area, California

Stratigraphy, structure, and economic geology of parts of Monterey, San Luis Obispo, and San Benito Counties.
Date: 1974
Creator: Durham, David L.
Object Type: Report
System: The UNT Digital Library
Contributions to Economic Geology (Short Papers and Preliminary Reports), 1911: Part 1 -- Metals and Nonmetals Except Fuels (open access)

Contributions to Economic Geology (Short Papers and Preliminary Reports), 1911: Part 1 -- Metals and Nonmetals Except Fuels

From introduction: The growing economic importance of the Carrville district, Trinity County, California merits notice, and it is hoped that this brief report will direct attention toward it, to the end that mining in general may be benefited.
Date: 1913
Creator: Lindgren, Waldemar
Object Type: Report
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
Object Type: Report
System: The UNT Digital Library
Mineral Resources of Alaska: Report on Progress of Investigations in 1913 (open access)

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

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.
Object Type: Report
System: The UNT Digital Library
Stratigraphy and Paleontology of the Upper Carboniferous Rocks of the Kansas Section (open access)

Stratigraphy and Paleontology of the Upper Carboniferous Rocks of the Kansas Section

From introduction: This report presents the results of reconnaissances on the coal formations of the area of Kansas south of the Kansas River.
Date: 1903
Creator: Adams, George I.; Girty, George Herbert & White, David
Object Type: Report
System: The UNT Digital Library
Stratigraphy of the Bitmuninous Coal Field of Pennsylvania, Ohio and West Virginia (open access)

Stratigraphy of the Bitmuninous Coal Field of Pennsylvania, Ohio and West Virginia

From introduction: This report deals with the Middle and Upper Carboniferous System.
Date: 1891
Creator: White, Israel C.
Object Type: Report
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.
Object Type: Report
System: The UNT Digital Library
Limestones of Southwestern Pennsylvania (open access)

Limestones of Southwestern Pennsylvania

From introduction: This report is a summary of the present knowledge of limestone beds in southwestern Pennsylvania.
Date: 1905
Creator: Clapp, Frederick G.
Object Type: Report
System: The UNT Digital Library
The Mining Districts of the Western United States (open access)

The Mining Districts of the Western United States

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
Object Type: Report
System: The UNT Digital Library
Zinc and Lead Deposits of Northwestern Illinois (open access)

Zinc and Lead Deposits of Northwestern Illinois

From introduction: The subject of this paper is the district of the extreme northwestern portion of Illinois, included in the upper Mississippi Valley containing zinc and lead.
Date: 1905
Creator: Bain, Harry Foster
Object Type: Report
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
Object Type: Report
System: The UNT Digital Library
The Gold Placers of the Fortymile, Birch Creek, and Fairbanks Regions, Alaska (open access)

The Gold Placers of the Fortymile, Birch Creek, and Fairbanks Regions, Alaska

From letter of transmittal: This report contains the economic results of a reconnaissance of these gold fields of the Yukon basin which was carried out in 1903.
Date: 1905
Creator: Prindle, Louis M.
Object Type: Report
System: The UNT Digital Library
The Calcite Marble and Dolomite of Eastern Vermont (open access)

The Calcite Marble and Dolomite of Eastern Vermont

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
Object Type: Report
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
Object Type: Report
System: The UNT Digital Library
The Gabbros and Associated Hornblende Rocks Occurring in the Neighborhood of Baltimore, Maryland (open access)

The Gabbros and Associated Hornblende Rocks Occurring in the Neighborhood of Baltimore, Maryland

From introduction: The present paper is intended as a contribution to our knowledge of a particular phase of metamorphism in eruptive rocks, i.e., that one which is dependent on the secondary development of hornblende by the paramorphism or pseudomorphism of pyroxene.
Date: 1886
Creator: Williams, George Huntington
Object Type: Report
System: The UNT Digital Library
The Glacier National Park: a Popular Guide to its Geology and Scenery (open access)

The Glacier National Park: a Popular Guide to its Geology and Scenery

From introduction: This report is a guide to the geology and scenery of Glacier National Park.
Date: 1914
Creator: Campbell, Marius R.
Object Type: Report
System: The UNT Digital Library