The Brown Hematite Ore Banks of Spruce Creek, Warrior's Mark Run, and Half Moon Run, in Huntingdon and Centre Counties, Pennsylvania, along the Line of the Lewisburg, Centre County and Tyrone Railroad

J P Lesley

Published in Proceedings of The American Philosophical Society, in 1874, in volume 14, issue 92, pages 19-107

Date published:1874

BHL: 31205522
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