NORTH AND EAST ELEVATIONS OF MAIN FRAME SECTION Chesapeake and Ohio Canal, Charles Mill, miles above tidewater (above Lock 44), Williamsport, Washington County, MD Charles, Bernard Fitz Water Wheel Company Bobrow, Michael L, field team Wormuth, C Gustave, field team Keune, Russell V, project manager Boucher, Jack E, photographer Harris, William, delineator Carter, Donn, delineator McDonald, Alan, delineator Hanna, John H, delineator

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