Black and white photograph of Project 117, the construction of the south arches at the Museum in Lake Guernsey State Park. The work was completed by the Civilian Conservation Corps Camp BR-9 Company 844., This file is derived from a 300 dpi, high-resolution (8-bit grayscale) uncompressed TIFF image, that was scanned from the original using a MicroTek ScanMaker 4800 scanner.
