Mining disaster in Pennsylvania

"Nine men are killed, and five are injured, at Harper's Mines, Pottsville, Pa., by the falling of black damp."
Source Citation
The American Almanac and Repository of Useful Knowledge for the Year 1859 (Boston: Crosby, Nichols, and Company, 1859), 371.
    Date Certainty
    How to Cite This Page: "Mining disaster in Pennsylvania," House Divided: The Civil War Research Engine at Dickinson College,