Items
Item Number Date Description
1040 More info . . . 1040 3 April 1916 Fourth Lock Masonry: Forms for southwest widewall, progress of erection
1041 More info . . . 1041 3 April 1916 Fourth Lock Masonry: Removing ice from lower end valve pit and sump pump
1042 More info . . . 1042 3 April 1916 Fourth Lock Masonry: Reaction bearings, lower gates, length 50 ft.
1043 More info . . . 1043 10 April 1916 Fourth Lock Masonry: Starting erection, six forms for emptying culverts
1044 More info . . . 1044 25 April 1916 Fourth Lock Masonry: Anchor rods in rock, grouting under pressure
1045 More info . . . 1045 25 April 1916 Fourth Lock Masonry: Forms for upper wide walls, general view looking southwest
1046 More info . . . 1046 25 April 1916 U.S. Power Plant: Deepening tailrace; temporary flash board dam at 3900 E to floating drill boat
1047 More info . . . 1047 29 April 1916 Compensating Works: General view looking north from pier No. 13, showing excavation of second section
1048 More info . . . 1048 29 April 1916 Compensating Works: Foundation forms pier No. 9, and excavation pier No. 9
1049 More info . . . 1049 5 May 1916 Fourth Lock Masonry: Unloading first stone from contractor's quarry
1050 More info . . . 1050 5 May 1916 Fourth Lock Masonry: Concrete mixing plant, air operation of bin chutes
1051 More info . . . 1051 13 May 1916 Fourth Lock Masonry: Pouring first section of culvert floor
1052 More info . . . 1052 16 May 1916 Compensating Works: View looking northwest, foundation of pier No. 11 in foreground
1053 More info . . . 1053 24 May 1916 Fourth Lock Masonry: General view looking west, from mixer plant
1054 More info . . . 1054 24 May 1916 Fourth Lock Masonry: Back form for block for north pontoon recess
Showing 1051 to 1065 of 1780 items