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You searched for: Publisher State of Pennsylvania Remove constraint Publisher: State of Pennsylvania Subject Railroads Remove constraint Subject: Railroads Resource Type Vector data Remove constraint Resource Type: Vector data Time Period 2010-2014 Remove constraint Time Period: 2010-2014

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1. Mine Maps: Pennsylvania

Datasets datasets Pennsylvania State University pennsylvania-state-university
2012. Pennsylvania Department of Environmental Protection. Coal mining has occurred in Pennsylvania for over a century. The maps of these coal mines are stored at various public and private locations (if th... State of Pennsylvania.