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Using 2000 pound steam hammer on jar rein for drilling equipment. Keystone Drilling Company, Beaver Falls, Pennsylvania
Public domain

Using 2000 pound steam hammer on jar rein for drilling equipment. Keystone Drilling Company, Beaver Falls, Pennsylvania

Vachon, John · 1941-01-01 · photo, print, drawing

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

Credit lineUsing 2000 pound steam hammer on jar rein for drilling equipment. Keystone Drilling Company, Beaver Falls, Pennsylvania. 1941-01-01. Vachon, John. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.

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