Arkivism
Pittsburgh, Pennsylvania (vicinity). Montour no. 4 mine of the Pittsburgh Coal Company. Above the coal seam, dairy and farm lands lay undisturbed. Only occasionally there will be "sinks" and large "pot holes" caused by the collapsing of "mined out" areas of the seam
Public domain

Pittsburgh, Pennsylvania (vicinity). Montour no. 4 mine of the Pittsburgh Coal Company. Above the coal seam, dairy and farm lands lay undisturbed. Only occasionally there will be "sinks" and large "pot holes" caused by the collapsing of "mined out" areas of the seam

Collier, John, Jr., Collier, John · 1942-01-01 · photo, print, drawing

From the collection of Library of Congress. Free to download, adapt and use — no permission needed.

Credit linePittsburgh, Pennsylvania (vicinity). Montour no. 4 mine of the Pittsburgh Coal Company. Above the coal seam, dairy and farm lands lay undisturbed. Only occasionally there will be "sinks" and large "po. 1942-01-01. Collier, John, Jr., Collier, John. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.

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