More info . . .
|
1272d |
ca. 24 May 1924 |
St. Marys Falls Canal: Hull repairs to steamer General G.J. Lydecker in Weitzel Lock |
More info . . .
|
1272e |
ca. 24 May 1924 |
St. Marys Falls Canal: Hull repairs to steamer General G.J. Lydecker in Weitzel Lock |
More info . . .
|
1272f |
ca. 24 May 1924 |
St. Marys Falls Canal: Hull repairs to steamer General G.J. Lydecker in Weitzel Lock |
More info . . .
|
1272g |
ca. 24 May 1924 |
St. Marys Falls Canal: Hull repairs to steamer General G.J. Lydecker in Weitzel Lock |
More info . . .
|
1272h |
ca. 24 May 1924 |
St. Marys Falls Canal: Hull repairs to steamer General G.J. Lydecker in Weitzel Lock |
More info . . .
|
1273 |
21 August 1924 |
St. Marys Falls Canal: Compensating works at head of rapids, looking northwest from International Bridge |
More info . . .
|
1274 |
24 August 1924 |
St. Marys Falls Canal: Steel derrick boat Merganser, test, swinging with 10-ton load |
More info . . .
|
1275 |
5 May 1925 |
St. Marys Falls Canal: Third Lock north leaf upper guard gate handled by pontoon derrick, looking down in Poe Lock |
More info . . .
|
1276 |
16 December 1925 |
St. Marys Falls Canal: Compensating works; current observations on open gates Nos. 7, 8, 9, 10, and 11 from superstructure |
More info . . .
|
1277 |
16 December 1925 |
St. Marys Falls Canal: Filling culvert, Poe Lock upper end, showing anchor rods, looking west |
More info . . .
|
1278 |
4 February 1926 |
St. Marys Falls Canal: Pontoon derrick No. 1; extension of A frame |
More info . . .
|
1279 |
15 April 1926 |
St. Marys Falls Canal: Pontoon derrick No. 1; extension of A frame, completed alterations |
More info . . .
|
1280 |
January 1925 |
Paper by L.C. Sabin, Marine Review, January 1925: Diagram No. 1; Great Lakes system freight traffic compared with various foreign and domestic waterways and ports |
More info . . .
|
1281 |
January 1925 |
Paper by L.C. Sabin, Marine Review, January 1925: Diagram No. 2; U.S. waterways, freight in tons and annual costs on individual rivers and groups |
More info . . .
|
1282 |
January 1925 |
Paper by L.C. Sabin, Marine Review, January 1925: Diagram No. 3; U.S. waterways, freight in ton-miles on individual rivers and groups |