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Highways, Byways, And Bridge Photography
Blanchard Dam
Mississippi River Dam
Near Royalton, MN

Blanchard Dam

• Location: River Mile 956.5
• County: Morrison
• Structure Type: Concrete Structure
• Structure Width: 750 Feet Main Structure, 2400 Foot Embankment
• River Elevation (Pool): 1,082 Feet
• River Elevation (Outflow): 1,036 Feet
• Water Fall: 46 Feet
• Date Opened: 1925
The Blanchard Dam is one of the taller dams on the Mississippi River, rivaled only by the Ford Dam, Upper St Anthony Falls Dam, and the Keokuk Power Dam. The water action looks impressive in these spring high water level photos. During much of the year, the gates on the dam are closed, and the only water that flows is through the power house. As a result, fishermen are able to walk across the bottom of the falls, using the concrete outcropping as a fishing platform.

Most people are familiar with Pike's Peak in Colorado, named after Zebulon Pike. What is lesser known is that Pike, an Army Lieutenant, lead an 1805 expedition to find the headwaters of the Mississippi River. Along the way, Pike ran into winter near Little Falls. The expedition established a small fort and stayed the winter. That location was flooded out when the Blanchard Dam was erected in 1925. Just before the fort site was flooded, a marker was placed so it could be found again in the future. As it happens, the Blanchard Dam was drained in 1984 for repairs. While the water level was low, historians were able to locate the site of the fort and do a new excavation. The walls and buildings were mapped out and documented before the dam repairs were finished. The dam was unexpectedly drained again in 1985 for pipeline work. Historians were able to do additional excavation, this time, finding a musket from the 1805 expedition.

The photo above is a view of the dam and power house during the spring high water season. The sound and spray of the water surging through the dam is incredible. The photo below is an overview of the dam site as seen from the Soo Line Trail bridge. The bridge was not yet open to the public when these spring photos were taken, but was open when the summer photos below were shot. The Soo Line Trail bridge is located just below the Blanchard Dam and features spectacular views of the structure.


Blanchard Dam
Blanchard Dam
The photo above is an early spring view of the upriver side of the dam control structure. The photo below is a view looking east down the length of the control structure from the west side of the river.

Blanchard Dam
Blanchard Dam
The photo above is the control structure that regulates the height of the reservoir behind the dam. The photo below is a view of the upriver side of the control structure.

Blanchard Dam

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