Geologic Names of North America Introduced in 1936-1955 (open access)

Geologic Names of North America Introduced in 1936-1955

A report about geologic names. It contains new names, old names, and changes to names.
Date: 1957
Creator: Wilson, Druid; Sando, William J. & Kopf, Rudolph W.
System: The UNT Digital Library
Mineral Deposits of Central America (open access)

Mineral Deposits of Central America

From introduction: This report is based on investigations carried on by the Geological Survey (U. S. Department of the Interior) under the auspices of the Interdepartmental Committee on Scientific and Cultural Cooperation (U. S. Department of State) and the Foreign Economic Administration. The function of the last two agencies is presently carried on by the International Cooperation Administration. Roberts is responsible for the text of this report and for the compilation of the geologic map. He was in Central America from January to April 1942 under a program of scientific and technical cooperation with the American Republics sponsored by the Department of State, and mapped manganese deposits in Costa Rica and manganese and antimony deposits in Honduras.
Date: 1957
Creator: Roberts, Ralph Jackson & Irving, Earl M.
System: The UNT Digital Library
Coal Geology of the White Oak Quadrangle, Magoffin and Morgan Counties, Kentucky (open access)

Coal Geology of the White Oak Quadrangle, Magoffin and Morgan Counties, Kentucky

From abstract: The White Oak quadrangle lies near the western edge of the eastern Kentucky coalfield and includes approximately 59 square miles of parts of Magoffin and Morgan Counties, Ky. The outcropping rocks are equivalent to most of the Breathitt formation of Pennsylvanian age. The regional southeast dip of the rocks is interrupted by the Irvine-Paint Creek fault, the Caney anticline, the Grape Creek syncline, and the Johnson Creek fault.
Date: 1957
Creator: Adkison, W. L.
System: The UNT Digital Library