Pine River Dam, Cass County.

Pine River Dam, Cass County.

Pine river dam in 1906 following renovations.

Pokegama Falls.

Pokegama Falls.

Pokegama falls in 1895, 11 years after the original dam's completion.

Winnibigoshish Dam.

Winnibigoshish Dam.

Lake Winnibigoshish dam in 1904 after the first round of renovations.

The Mississippi River Reservoir Dam System

The Headwaters Dams were built between 1881 and 1912 in the Mississippi headwaters. The dams served to regulate river flow and assist navigation until 1938, when they were relegated to a flood control role.

Leech Lake Dam, Cass County.

Leech Lake Dam, Cass County.

Leech Lake Dam - early 20th century

Lake Winnibigoshish Dam construction.

Lake Winnibigoshish Dam construction.

Renovations at Lake Winnibigoshish 1898-99

Franklin Cook, Minneapolis.

Franklin Cook, Minneapolis.

Franklin Cook circa 1880

St. Anthony Falls, Minneapolis

St. Anthony Falls, Minneapolis

St. Anthony Falls following 1869 crisis

Dam tender's quarters, Pokegama Falls Dam.

Dam tender's quarters, Pokegama Falls Dam.

Dam Tender's residence at Pokegama Falls Dam. 1904.

Lake Winnibigoshish, Leech Lake, and Pokegama Falls Dams

Winnibigoshish, Leech Lake, and Pokegama Falls Dams were built in the Mississippi Headwaters during the late 19th century. These structures preceded the construction of the Headwaters reservoir system and played key roles in flood prevention and river control during the 20th century.

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