Resource Type

Geology and Ore Deposits of the Park City District, Utah (open access)

Geology and Ore Deposits of the Park City District, Utah

From introduction: This survey was the first systematic work undertaken in this geologic province since the Geological Exploration of the Fortieth Parallel, in 1869, and was the first detailed geologic examination of a wide area in the Wasatch Range. Hence, an unusual amount of general geologic work in the region surrounding the special field was required to establish fundamental geologic facts.
Date: 1912
Creator: Boutwell, John Mason
System: The UNT Digital Library
The Geology of Long Island, New York (open access)

The Geology of Long Island, New York

Report describing the geology of Long Island based on surveys and research conducted 1903-1905, with a particular emphasis on glacial deposits and formations from the Pleistocene epoch. It includes a broad discussion, with tabular summaries.
Date: 1912
Creator: Fuller, Myron L.
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
System: The UNT Digital Library