Introduction to a history of ironmaking and coal mining in Pennsylvania. : Contributed to the final report of the Pennsylvania Board of Centennial Managers
"Introduction to a history of ironmaking and coal mining in Pennsylvania. : Contributed to the final report of the Pennsylvania Board of Centennial Managers"@en
"Introduction to a history of ironmaking and coal mining in Pennsylvania Contributed to the final report of the Pennsylvania Board of Centennial Managers"@en
"Introduction to a history of ironmaking and coal mining in Pennsylvania"@en
"Introduction to a history of ironmaking and coal mining in Pennsylvania"
"Introduction to a history of ironmaking and coal mining in Pennsylvania : Contributed to the final report of the Pennsylvania Board of centennial managers"@en
"Introduction to a history of ironmaking and coal mining in pennsylvania"@en
"Introduction to a history of ironmaking and coal mining in Pennsylvania : contributed to the final report of the Pennsylvania Board of centennial managers"@en
"Introduction to a history of ironmaking and coal mining in Pennsylvania : contributed to the final report of the Pennsylvania Board of Centennial Managers"@en
University of Pittsburgh. University Library System. Digital Research Library.
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