Items
Item Number Date Description
1129a More info . . . 1129a 15 August 1917 Fourth Lock Masonry: Batch plant; Oscar Daniels Co., contractor, general view looking west from top of mixer plant
1129b More info . . . 1129b 15 August 1917 Fourth Lock Masonry: Batch plant; Oscar Daniels Co., contractor, view of mixer charging hopper and air cylinders which operate chutes from storage bins
1129c More info . . . 1129c 15 August 1917 Fourth Lock Masonry: Batch plant; Oscar Daniels Co., contractor, view showing battery of 2 "Ransome Mixers" each having a capacity of 60 cubic feet per batch
1130 More info . . . 1130 29 August 1917 Fourth Lock Masonry: General view, east end looking southwest; base for northeast canal wall in foreground
1131 More info . . . 1131 29 August 1917 Fourth Lock Masonry: Upper valve pit; view looking north, showing progress on forms
1132 More info . . . 1132 7 September 1917 Fourth Lock Masonry: Back of southeast widewall, form for block No. 108
1133 More info . . . 1133 7 September 1917 Fourth Lock Masonry: Back of southeast widewall, form for block No. 110
1134 More info . . . 1134 7 September 1917 Fourth Lock Masonry: Concreting upper valve pit, looking down from top of 50 ft. wall
1135 More info . . . 1135 5 November 1917 Fourth Lock Masonry: View of back of southeast widewall
1136 More info . . . 1136 5 November 1917 Fourth Lock Masonry: Forms for back of northeast widewall
1137 More info . . . 1137 5 November 1917 Fourth Lock Masonry: General view looking west from east cofferdam
1138 More info . . . 1138 5 November 1917 Fourth Lock Masonry: General view looking east, showing miter wall No. 2 and forms for miter wall No. 3
1139 More info . . . 1139 14 December 1917 Fourth Lock Masonry: Backfilling south wall
1140 More info . . . 1140 18 December 1917 St. Marys Falls Canal: Third and Fourth locks and west canals; view looking west from pump house
1141 More info . . . 1141 18 December 1917 St. Marys Falls Canal: General view from pump house looking northeast