Item Number	Date	Description
More info . . .	1262	10 August 1923	St. Marys Falls Canal: West center pier superstructure renewal; concrete mixing plant, derrick feeding screen hopper
More info . . .	1263	10 August 1923	St. Marys Falls Canal: West center pier superstructure renewal; placing concrete in forms
More info . . .	1264a	ca. 10 August 1923	St. Marys Falls Canal: Great Lakes Dredge and Dock Co.; rock and boulders excavated from Vidal Shoals.
More info . . .	1264b	ca. 10 August 1923	St. Marys Falls Canal: Great Lakes Dredge and Dock Co.; rock and boulders excavated from Vidal Shoals.
More info . . .	1264c	ca. 10 August 1923	St. Marys Falls Canal: Great Lakes Dredge and Dock Co.; rock and boulders excavated from Vidal Shoals.
More info . . .	1264d	ca. 10 August 1923	St. Marys Falls Canal: Great Lakes Dredge and Dock Co.; rock and boulders excavated from Vidal Shoals.
More info . . .	1265a	ca. 10 August 1923	St. Marys Falls Canal: Great Lakes Dredge and Dock Co.; rock and boulders excavated from Vidal Shoals.
More info . . .	1265b	ca. 10 August 1923	St. Marys Falls Canal: Great Lakes Dredge and Dock Co.; rock and boulders excavated from Vidal Shoals.
More info . . .	1265c	ca. 10 August 1923	St. Marys Falls Canal: Great Lakes Dredge and Dock Co.; rock and boulders excavated from Vidal Shoals.
More info . . .	1265d	ca. 10 August 1923	St. Marys Falls Canal: Great Lakes Dredge and Dock Co.; rock and boulders excavated from Vidal Shoals.
More info . . .	1266a	ca. 10 August 1923	St. Marys Falls Canal: Great Lakes Dredge and Dock Co.; rock and boulders excavated from Vidal Shoals.
More info . . .	1266b	ca. 10 August 1923	St. Marys Falls Canal: Great Lakes Dredge and Dock Co.; rock and boulders excavated from Vidal Shoals.
More info . . .	1266c	ca. 10 August 1923	St. Marys Falls Canal: Great Lakes Dredge and Dock Co.; rock and boulders excavated from Vidal Shoals.
More info . . .	1266d	ca. 10 August 1923	St. Marys Falls Canal: Great Lakes Dredge and Dock Co.; rock and boulders excavated from Vidal Shoals.
More info . . .	1266e	ca. 10 August 1923	St. Marys Falls Canal: Great Lakes Dredge and Dock Co.; rock and boulders excavated from Vidal Shoals.

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