Browsing by Subject "Mines and mineral resources -- Oregon"

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A description of some Oregon rocks and minerals

Oregon State University. Extension Service; Dole, Hollis M. (Hollis Mathews); Brown, Lawrence L. (Corvallis, Or. : Extension Service, Oregon State University, 1986)

Rocks are defined as aggregates or mixtures of minerals; rocks also include noncrystalline materials such as the natural glasses, and organic material such as coal. Rocks are found ready-made in nature. They are not homo ...
The economic geological resources of Oregon, 1912

Oregon State Bureau of Mines; Oregon Agricultural College (Corvallis, Or, 1912)
Mineral and water resources of Oregon; report prepared in collaboration with Oregon Dept. of Geology and Mineral Industries [and others] at the request of Senator Mark O. Hatfield of Oregon of the Committee on Interior and Insular Affairs, United States Senate

Geological Survey (U.S.); Oregon. Dept. of Geology and Mineral Industries; United States. Congress. Senate. Committee on Interior and Insular Affairs (Washington, U.S. Govt. Print. Off., 1969)
The Ore bin ; Vol. 34 No. 7 (July 1972)

Oregon. Dept. of Geology and Mineral Industries; Frey, Robert W.; Cowles, John G.; Mason, Ralph S. (Oregon Department of Geology and Mineral Industries, 1972-07)

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