Items
Item Number Date Description
1115 More info . . . 1115 7 June 1917 Fourth Lock Masonry: View looking southwest showing miter wall No. 5; pouring north half
1116 More info . . . 1116 7 June 1917 Fourth Lock Masonry: South half of miter wall No. 6; details of form and anchorage
1117 More info . . . 1117 7 June 1917 Fourth Lock Masonry: Miter wall No. 4; details of form and anchorage
1118 More info . . . 1118 8 June 1917 Fourth Lock Masonry: Emptying culverts, south side; forms for entrance, below valve pit
1119 More info . . . 1119 8 June 1917 Fourth Lock Masonry: Northwest widewall; placing concrete in top of block No. 258
1120 More info . . . 1120 8 June 1917 Fourth Lock Masonry: Northwest widewall; detail of form work in top of block No. 256
1121 More info . . . 1121 8 June 1917 Fourth Lock Masonry: Forms for miter wall No. 1 and view of recess for south leaf of gate No. 2
1122 More info . . . 1122 15 June 1917 Fourth Lock Masonry: Miter wall No. 4, looking south; reinforcement in north half
1123 More info . . . 1123 15 June 1917 Fourth Lock Masonry: Emptying culverts, forms, west end, showing faulty bracing of center bulkhead
1124 More info . . . 1124 15 June 1917 Fourth Lock Masonry: Finishing top of narrow wall block, showing details of steel forms
1125 More info . . . 1125 15 June 1917 Fourth Lock Masonry: Top of widewall, block No. 256; forms, conduit, etc.
1126 More info . . . 1126 29 June 1917 Fourth Lock Masonry: General view from east cofferdam, showing progress of work
1127 More info . . . 1127 29 June 1917 Fourth Lock Masonry: General view of east end, showing forms for southeast widewall, block No. 107
1128 More info . . . 1128 13 July 1917 Fourth Lock Masonry: General view of lower valve pit
1129 More info . . . 1129 13 July 1917 Fourth Lock Masonry: General view, west end; finishing north half of miter wall No. 1