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

Using a 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 a 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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