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Cutting up the hogs Armour's great packing house Chicago U.S.A NYPL bGF B. en Cutting up the hogs Armour's great packing house Chicago nypl org Scan by NYPL Cutting up the hogs Armour's great packing house Chicago Stockyards Strohmeyer Wyman The Miriam and Ira Wallach Division of Art Prints and Photographs Photography Collection