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The Oregon Department of Geology and Mineral Industries (DOGAMI) is the agency of the government of the U.S. state of Oregon responsible for collecting, maintaining and disseminating geologic information, and regulation of industries which commercially develop the state's geological resources, including Natural gas, Crude oil, and other Mineral exploration and Mining.
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Image map of all Oregon streams more than 50 miles (80 kilometers) long. Each label is wikilinked to an article. Click on the small rectangles to the right of the caption for a larger map.
name = Oregon Name used in the default map caption; image = USA Oregon location map.svg The default map image, without "Image:" or "File:" image1 = USA Oregon relief location map.svg An alternative map image, usually a relief map, which can be displayed via the relief or AlternativeMap parameters; top = 46.5 Latitude at top edge of map, in ...
The high desert of Oregon is located in the central and southeastern parts of the state. It covers approximately 24,000 square miles (62,000 km 2), extending approximately 200 miles (320 km) from central Oregon east to the Idaho border and 130 mi (210 km) from central Oregon south to the Nevada border. [1]
Olson Mountain is south of Prospect, Oregon, northeast of Medford, Oregon, northwest of other shield volcanoes such as Mount McLoughlin, Brown Mountain, Pelican Butte, and Rustler Peak, and east of Lost Creek Lake.
Potassium argon dating gives ages of 58.1 ± 1.5 to 50.7 ± 3.1 Ma; Selandian to Ypresian. [2] The sequence has been divided into a lower pillowed tholeiitic unit and an upper porphyritic alkali basalt unit. [3] The volcanics occur in the following counties of western Oregon: Benton, Coos, Douglas, Lane, Lincoln, Polk, Tillamook, Washington and ...
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