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1. Sketch Showing Location Of The Damaged Portion Of Apron At St. Anthony Falls

Creator:
U.S. Engineer Office (St. Paul, Minnesota)
Date Created:
1879-09
Description:
This drawing was done in the aftermath of October 5, 1869, Eastman Tunnel collapse. A tunnel connecting Nicollet and Hennepin islands collapsed on that day causing the need for considerable repair to be done to Hennepin Island and St. Anthony Falls. The repair work was finished in 1884, creating a protective apron over the falls.
Contributing Institution:
Hennepin County Library, James K. Hosmer Special Collections Library
Type:
Still Image
Format:
Drawings (visual works)

2. Cross-Section of Canal in process of Construction by the St. Anthony Water Power Co.

Creator:
Norton, W. J.
Date Created:
1881-02
Description:
This drawing shows the a cross section of a canal used to feed water through turbines to generate power. The tunnel was embedded in the limestone near St. Anthony Falls with a base of concrete and shell of masonry. See also umn191811.
Contributing Institution:
Hennepin County Library, James K. Hosmer Special Collections Library
Type:
Still Image
Format:
Drawings (visual works)

3. Soundings Taken At St. Anthony Falls

Creator:
U.S. Engineer Office (St. Paul, Minnesota)
Date Created:
1880
Description:
Drawing shows depth readings of the Mississippi River taken around St. Anthony Falls in 1880.
Contributing Institution:
Hennepin County Library, James K. Hosmer Special Collections Library
Type:
Still Image
Format:
Drawings (visual works)

4. Plan of Canal in process of construction by the St. Anthony Water Power Co.

Creator:
U.S. Engineer Office (St. Paul, Minnesota)
Date Created:
1880-02-19
Description:
Drawing of water power canal to go under Main Street S.E. in Minneapolis. The gateway and dimensions are included in the drawing. See also umn191809.
Contributing Institution:
Hennepin County Library, James K. Hosmer Special Collections Library
Type:
Still Image
Format:
Drawings (visual works)

5. Preliminary Sketch of Log Sluice at St. Anthony Falls

Creator:
U.S. Engineer Office (St. Paul, Minnesota)
Date Created:
1879?
Description:
Drawing of a log sluice designed to safely transport logs down the river without damaging St. Anthony Falls.
Contributing Institution:
Hennepin County Library, James K. Hosmer Special Collections Library
Type:
Still Image
Format:
Drawings (visual works)

6. Bulk Head for Tunnel at St. Anthony

Creator:
U.S. Engineer Office (St. Paul, Minnesota)
Date Created:
1881?
Description:
Bulkhead designed to possibly divert water away from tunnel construction near St. Anthony Falls.
Contributing Institution:
Hennepin County Library, James K. Hosmer Special Collections Library
Type:
Still Image
Format:
Drawings (visual works)

7. Sketch Of Crib For St. Anthony Falls

Creator:
U.S. Engineer Office (St. Paul, Minnesota)
Date Created:
1881-08
Description:
Sketch of crib used in support of the St. Anthony Falls apron in the wake of the Eastman Tunnel collapse of 1869.
Contributing Institution:
Hennepin County Library, James K. Hosmer Special Collections Library
Type:
Still Image
Format:
Drawings (visual works)

8. Sketch showing condition, on June 10, 1882, of bars deposited during the winter Of 1881-2 in the Mississippi river at Minneapolis, above log chute

Creator:
Bassett, J.B.
Date Created:
1882-06
Description:
This drawing shows the condition of Minneapolis Mill Company's dam and mill pond in regards to the build-up of silt and debris from the previous winter near St. Anthony Falls.
Contributing Institution:
Hennepin County Library, James K. Hosmer Special Collections Library
Type:
Still Image
Format:
Drawings (visual works)
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