| 1. |  | Linwood quarry | United States. Federal Civil Works Administration; Quarrying; Stone quarrying; Machinery; Tractors; Automobiles; Men; Mississippi River; Linwood (Iowa); Photographic prints | Photograph of men working at the quarry in Linwood, Iowa. Machinery, a tractor, and two parked automobiles are on the right side of the photograph. The stone from this quarry was used by the Civil Works... |
