Aftermath of the W.W. Eastman tunnel collapse that caused the loss of St. Anthony Falls to erosion. This image is by Arthur Adams, Minneapolis high school teacher, local historian, and photographer. Adams traveled throughout Minnesota, taking photographs to augment his lectures. His studio was located at 3648 Lyndale Avenue South in Minneapolis.
The construction of the Lake Zumbro Hydroelectric Power Plant dam began in 1917. The structure was designed by noted hydroelectric engineer, Hugh Lincoln Cooper. The dam, completed in 1919, is owned by Rochester Public Utilities. Three men are standing on the rim, looking into the excavation area.
The construction of the Lake Zumbro Hydroelectric Power Plant dam began in 1917. The structure was designed by noted hydroelectric engineer, Hugh Lincoln Cooper. The dam, completed in 1919, is owned by Rochester Public Utilities. Looking toward the east bank, the Power house, with almost three walls completed, is visible in the center.
Fill in the east channel of the Mississippi River just below the Central Avenue Bridge; the dotted line shows the face of a stone wall built on the bank years before.
This picture shows the amount of filling in done by Eastman; the fill extends from the bank on which the rocks are shown over to the extreme right hand side. The materials consisted of loose sans and some mud; rock was piled in later and little rock was used in the lower fill. Also shows Nicollet Island and the Hennepin Avenue bridge.
Looking across the Mississippi River to the gatehouse at the lower dam water power station; the Minneapolis Western railroad bridge is in the background.
Failure at the lower dam shortly after its completion, shows a section that was washed out. A train is running along the bank of the Mississippi River.
View looking upriver toward the lower dam; the gatehouse and lower dam water power station are along the Mississippi River; also includes the Minneapolis Western railroad bridge, Stone Arch Bridge, and Pillsbury A Mill.
Construction at the lower dam area near the gatehouse, shows the retaining wall; the Minneapolis Western railroad bridge and Gasworks are in the background.
View of the lower dam area, shows part of the gatehouse and retaining wall; the Minneapolis Western railroad bridge and Gasworks are in the background.
Construction on the level gates of the lower dam; also shows the lower dam water power station headrace; the Minneapolis Western railroad bridge and Gasworks are in the background.
Construction at the lower dam water power station along the Mississippi River; shows headrace and retaining walls; the Westside Mills are visible in the distance.
View of water rushing through the gates of the lower dam water power station. Also shows the Stone Arch Bridge and the Minneapolis Western railroad bridge.
Lower dam near the lower dam water power station; shows the headrace and the Minneapolis Western railroad bridge. Houses are visible on the Mississippi River bank.
Looking across the washout at the waste way area toward the east bank; shows the Pillsbury A Mill, Phoenix Mill and other buildings on the east bank of the Mississippi River.