Unformatted text preview: In 1909 was when the Keystone Coal and Coke Company started where it was ran on the Keystone Lake and by 1938 it became Salem Two Mine. From 1963 and on Pennsylvania’s Steel industry began a period of decline. By 1979, U.S. Steel was suffering massive loses. In 1980 alone they lost %560 million in a single quarter. There were major cutbacks and layoffs. In the popular, “Steel City”, Pittsburgh area the averages went from 90,000 in 1980 to 44,000 in 1984. References: Steel. Pennsylvania Department of Conservation and Natural Resources. DCNR. 20 May 2008http://www.dcnr.state.pa.us/stateparks/parks/keystone/keystone_history.aspx "Pennsylvanians and the Environment." ExplorePAHistory. 20 May 2008 < http://www.explorepahistory.com/story.php?storyId=14 >....
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- Spring '07
- Pennsylvania, steel mills, U.S. Steel, United States Steel Corporation, Keystone State, Keystone State Park