Pennsylvania bituminous coal production 1881-1930 (by county)
This Excel file contains data on annual bituminous coal production by Pennsylvania county, from 1881 through 1930. Data was transcribed from the 1955 Pennsylvania Department of Mines publication "History of Pennsylvania Bituminous Coal", in which Clyde Maize and George Struble are acknowledged for compiling the work. James Searfross, an PSUL employee in the Earth and Mineral Sciences Library, transcribed the data.
|Work Title||Pennsylvania bituminous coal production 1881-1930 (by county)|
|License||Attribution-ShareAlike 3.0 United States|
|Deposited||October 03, 2014|
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