File:LOCK CHAMBER, SHOWING DETAIL OF WEST LOCK WALL, LOOKING SOUTHWEST. WHEN THE CANAL WAS RECONSTRUCTED IN 1905-06, CONCRETE WAS USED TO REPAIR LOCK WALLS ORIGINALLY BUILT OF STONE. HAER OHIO,77-PEN.V,6-3.tif
![File:LOCK CHAMBER, SHOWING DETAIL OF WEST LOCK WALL, LOOKING SOUTHWEST. WHEN THE CANAL WAS RECONSTRUCTED IN 1905-06, CONCRETE WAS USED TO REPAIR LOCK WALLS ORIGINALLY BUILT OF STONE. HAER OHIO,77-PEN.V,6-3.tif](https://upload.wikimedia.org/wikipedia/commons/thumb/a/a4/LOCK_CHAMBER%2C_SHOWING_DETAIL_OF_WEST_LOCK_WALL%2C_LOOKING_SOUTHWEST._WHEN_THE_CANAL_WAS_RECONSTRUCTED_IN_1905-06%2C_CONCRETE_WAS_USED_TO_REPAIR_LOCK_WALLS_ORIGINALLY_BUILT_OF_STONE._HAER_OHIO%2C77-PEN.V%2C6-3.tif/lossy-page1-800px-thumbnail.tif.jpg?20140730154414)
Size of this JPG preview of this TIF file: 800 × 575 pixels. Other resolutions: 320 × 230 pixels | 640 × 460 pixels | 1,024 × 736 pixels | 1,280 × 920 pixels | 2,560 × 1,840 pixels | 4,983 × 3,582 pixels.
Original file (4,983 × 3,582 pixels, file size: 17.02 MB, MIME type: image/tiff)