More info . . .
|
0950 |
17 January 1914 |
New Lock and Canal: Third Lock gates; construction upper guard gate No. 1, placing girders of rods, south leaf |
More info . . .
|
0951 |
28 January 1914 |
New Lock and Canal: Water power rating current meters through the ice |
More info . . .
|
0952 |
31 January 1914 |
Poe Lock Culverts: Detail showing shear of anchor bolts, nuts, and washers due to vibration |
More info . . .
|
0953 |
4 February 1914 |
New Lock and Canal: Water power; measuring discharge of river at International Bridge |
More info . . .
|
0954 |
4 February 1914 |
New Lock and Canal: Water power; head of rapids, looking north from dike above bridge, pier no. 4 |
More info . . .
|
0955 |
4 February 1914 |
New Lock and Canal: Water power; head of rapids, looking northwest from dike below bridge, pier no. 4 or 120 ft. below discharge section |
More info . . .
|
0956 |
4 February 1914 |
New Lock and Canal: Water power; compensating works in rapids, Algoma Steel Corporation Ltd., looking northwest from center span 7 of International Bridge |
More info . . .
|
0957 |
4 February 1914 |
New Lock and Canal: Water power; head of rapids looking south from north end of Algoma compensating works, above span 9 of International Bridge |
More info . . .
|
0958 |
[ca. 1857] |
St. Marys Rapids: Enlarged copy of part of 1857 chart |
More info . . .
|
0959 |
11 February 1914 |
New Lock and Canal: Third Lock gates; upper guard gate No. 1, upstream side, canal being filled |
More info . . .
|
0960 |
24 February 1914 |
Fourth Lock Excavation: Steel sheet piling for dam at southeast corner of excavation |
More info . . .
|
0961 |
24 March 1914 |
New Lock and Canal: Third Lock gates; upstream side, gate No. 4 |
More info . . .
|
0962 |
13 April 1914 |
New Lock and Canal: Third Lock gates; upstream side of gate No. 2, north leaf bolted, south leaf being riveted |
More info . . .
|
0963 |
13 April 1914 |
New Lock and Canal: Third Lock gates; lower guard gate No. 6, west side of south leaf |
More info . . .
|
0964 |
13 April 1914 |
New Lock and Canal: Pumping plant motors; valve operating stands and sub floor over well |