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en.wikipedia.org/wiki/Copper_mining_in_the_United_States

Copper mining in the United States has been a major industry since the rise of the northern .... Russian explorers discovered copper on the Kasaan Peninsula of Prince of Wales Island in southeastern Alaska about 1865. Mining began in the ...

en.wikipedia.org/wiki/Copper

Copper is a chemical element with symbol Cu (from Latin: cuprum) and atomic number 29. ... In humans, copper is found mainly in the liver, muscle, and bone.

www.copper.org/education/Kids/copperandkids_wheredoescopper.html

Copper is found in many parts of the world. It usually comes from copper ore, but small amounts are occasionally found ("native copper") in distorted cubic crystal ...

scienceviews.com/geology/copper.html

That color comes from copper carbonate which is formed from exposure to oxygen as a protective against further erosion. When found in its native mineral form it ...

www.farmerscopper.com/blog/where-does-copper-come-from

Copper is found in many parts of the world. It usually comes from copper ore, but small amounts are occasionally found ("native copper") in distorted cubic crystal ...

www.carondelet.pvt.k12.ca.us/Family/Science/Shiny/COPPER%20page.htm

Copper was first used by man over 10,000 years ago. The oldest known copper finding is a copper pendant that was discovered in what is now northern Iraq and  ...

www.webelements.com/copper/history.html

The discovery of copper dates from prehistoric times. There are reports of copper beads dating back to 9000BC found in Iraq. Methods for refining copper from its ...

copperalliance.org/about-ica/ica-history

The Copper Alliance represents the network of regional copper centers and their members, which is led by the International Copper Association, Ltd.

www.asarel.com/en/About/History/Copper_history.aspx

Copper and bronze artifacts were found in the ancient cities of Sumer dating back to 3000 BC. Egyptian findings made of copper and copper alloys containing tin ...