Matchless Mine (Boulder County, Colo.)
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Broader Terms
Closely Matching Concepts from Other Schemes
Earlier Established Forms
Sources
found: Subsidence study at the Matchless-Sunland and Fireside coal mines, 1972:t.p. (Matchless-Sunland, Boulder County, Colo.) p. 8 (Matchless Mine opened 1903; 1922 called Sunland; again named Matchless until closed 1929)
notfound: GNIS, Mar. 5, 1997;Colo. atlas & gaz.;Lippincott;Web. geog.
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Change Notes
2002-08-13: new
2005-04-29: revised
Alternate Formats
