single-stamp mill
11List of California Historical Landmarks — This is a list of California Historical Landmarks. The official list may be seen [http://ohp.parks.ca.gov/listed resources/?view=all here] . NOTOC · =Alameda County= For more details, please see http://ohp.parks.ca.gov/default.asp?page id=21388.… …
12Delta Consolidated Mining Company — The Delta Consolidated Mining Company was an American mining company that operated a gold mine in Shasta County, California. A narrow gage railroad connecting the mine to the nearby town of Delta, California operated for several decades. History… …
13Crusher — For other uses, see Crusher (disambiguation). A crusher is a machine designed to reduce large rocks into smaller rocks, gravel, or rock dust. Crushers may be used to reduce the size, or change the form, of waste materials so they can be more… …
14Mthwakazi — This word Mthwakazi is derived from the name of Queen Mu Thwa, the first ruler of the Mthwakazi territory who ruled around 7,000 years ago. She was the matriarch of the Aba Thwa, the San people who were derogatively called the Bushmen by… …
15Islamic Golden Age — The Islamic Golden Age, also sometimes known as the Islamic Renaissance, [Joel L. Kraemer (1992), Humanism in the Renaissance of Islam , p. 1 148, Brill Publishers, ISBN 9004072594.] was traditionally dated from the 8th century to the 13th… …
16Ames Hydroelectric Generating Plant — The Ames Hydroelectric Generating Plant, located near Ophir, Colorado, was the world s first commercial system to produce and transmit alternating current (AC) electricity. It is now on the List of IEEE Milestones.In the summer of 1890,… …
17Roman engineering — Origins The Romans are generally famous for their advanced engineering accomplishments, although some of their own inventions were improvements on older ideas, concepts and inventions. Technology for bringing running water into cities was… …
18Minesota Mine — Native copper on matrix from the Minesota Mine. Size 6.8 x 6.0 x 4.8 cm. The Minesota Mine is a former copper mine near Rockland, Ontonagon County in the Upper Peninsula of the U.S. state of Michigan. The Minesota (the single n in the name was a… …
19United States — a republic in the N Western Hemisphere comprising 48 conterminous states, the District of Columbia, and Alaska in North America, and Hawaii in the N Pacific. 267,954,767; conterminous United States, 3,022,387 sq. mi. (7,827,982 sq. km); with… …
20Europe, history of — Introduction history of European peoples and cultures from prehistoric times to the present. Europe is a more ambiguous term than most geographic expressions. Its etymology is doubtful, as is the physical extent of the area it designates.… …
