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Coal Mines of Indiana Co., PA MAIN INDEX

Indiana County Pennsylvania
Coal Mines
Index O

to the Bituminous Coal Mines of
Indiana County,
Pennsylvania, U.S.A.

Index to the Coal Mines and Coal Companies which mined the Bituminous Coal seams of Indiana County, Pennsylvania, U.S.A.

Compiled & Edited by
Raymond A. Washlaski

Raymond A. Washlaski, Historian, Editor,
Ryan P. Washlaski, Technical Editor,

Updated Sept. 19, 2010

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Indiana County Pennsylvania - Coal Mines
INDEX  O
[This listing of coal mines and coal companies has been researched and complied from various sources by Raymond A. Washlaski, Historian: newspaper articles, Pennsylvania Bureau of Mines Reports, county histories, township histories, Pennsylvania Geological Survey reports, topographical maps, personnal accounts of coal miners, etc., etc.]
Very few coal company employee records exist today.  Most Coal Company employee records have been lost or destroyed after the mines were closed. If you have mine records or know of the location of coal company employee records please let us know.

Your help is needed to preserve our coal mining heritage.
Please donate any mine records, mine maps or copies of them, pictures of the mines, pictures of miners, stories about the miners, mine memorabilia, books on mining, or tax deductable monetary donations to:
The Coal & Coke Heritage Center,
Penn State University Fayette Campus,
PA Rt. 119, P.O. Box 519, Uniontown, PA 15401


Oak Grove School, Brush Valley Twp., Indiana Co., PA
See:

Oak Tree Station (Hamill), East Mahoning Twp., Indiana Co., PA
[Located on the Buffalo, Rochester & Pittsburgh Railway.]
See:

O'Hara (Blairsville, South Side), Indiana Co., PA
[O'Hara was located at the South Side of Blairsville, Burrell Twp., Indiana Co., PA.  Presentday a part of Blairsville, PA.]
See:

Oklahoma, Center Twp., Indiana Co., PA
[A coal company patch town in Indiana County, Pennsylvania.]
[Oklahoma was renamed Coral, Center Twp., Indiana Co., PA]
See: Coral Mines & Coke Works, Oklahoma (Coral), Center Twp., Indiana Co., PA

Onberg, Rayne Twp., Indiana Co., PA
[A coal company patch town in Indiana County, Pennsylvania.]
[Located off of PA Rt 286, southwest of Clymer, PA.]
See: Onberg Mine, Onberg, Rayne Twp., Indiana Co., PA

Onberg Mine (ca.1905-1950's), located 2 miles south of Tanoma, at Onberg, Rayne Twp., Indiana Co., PA
[Located on the U.S.G.S. 7 1/2 min. Quad. map: Clymer, PA.]
[UTM: 17 E.664820 - N.4503980.]
[The Onberg Mine served as an electrical substation and emergency escape tunnel for the Sample Run Mines.]
Owners: (ca.1905- ? ), Clearfield Bituminous Coal Corporation,

Oneida Mine
(Conemaugh No. 4)
, located at Dilltown, Indiana Co., PA.
Owners: (ca.    ?    ),  ? 

Ord, Grant Twp., Indiana Co., PA
See:

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