Geologic Study of Kettle Dome, Northeast Washington: Final Report (open access)

Geologic Study of Kettle Dome, Northeast Washington: Final Report

From abstract: This geologic study of Kettle dome, northeast Washington, encompasses an area of approximately 800 square miles (2048 sq km). The evaluation of uranium occurrences associated with the igneous and metamorphic rocks of the dome and the determination of the relationship between uranium mineralization and stratigraphic, structural, and metamorphic features of the dome are the principal objectives. Evaluation of the validity of a gneiss dome model is a specific objective. The principal sources of data are detailed geologic mapping, surface radiometric surveys, and chemical analyses of rock samples.
Date: October 1980
Creator: Cruson and Pansze
System: The UNT Digital Library
Spawning Areas and Abundance of Chinook Salmon (Oncorhynchus tshawytscha) in the Columbia River Basin: Past and Present (open access)

Spawning Areas and Abundance of Chinook Salmon (Oncorhynchus tshawytscha) in the Columbia River Basin: Past and Present

From abstract: Important Chinook salmon spawning areas are listed and charted in this report according to their past use and present use.
Date: October 1968
Creator: Fulton, Leonard A.
System: The UNT Digital Library
Approximate Quantitative Microscopy of Pulverized Ores, Including the Use of the Camera Lucida (open access)

Approximate Quantitative Microscopy of Pulverized Ores, Including the Use of the Camera Lucida

Technical paper issued by the Bureau of Mines over microscopy of pulverized ores. As stated in the introduction, "this paper, which deals with the study of pulverized ores and the use of the camera lucida in such work, discusses an investigation undertaken at the Seattle and the Golden mining experiment stations of the Bureau of Mines" (p. 3). This paper includes tables, illustrations, and photographs.
Date: October 1919
Creator: Coghill, Will H. & Bonardi, J. P.
System: The UNT Digital Library