
Thief River Falls serves as the regional hub for the Red River Valley’s eastern edge, where the Thief River meets the larger drainage network. This 1992 revision reveals a landscape heavily shaped by civil engineering, dominated by an extensive grid of drainage channels including Judicial Ditch No 9 and County Ditch No 12, which converted the natural wetlands into productive farmland. The area is anchored by the vast Agassiz National Wildlife Refuge and Old Mill State Park, preserving essential prairie and marsh habitats amidst the agricultural expansion.
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13 maps found

1943 Thief River Falls
Pennington County, MN

1952 Thief River Falls
Pennington County, MN

1956 Thief River Falls
Pennington County, MN

1957 Thief River Falls
Pennington County, MN

1959 Thief River Falls
Pennington County, MN

1967 Thief River Falls
Pennington County, MN

1985 Thief River Falls
Pennington County, MN

1992 Thief River Falls
Pennington County, MN
2010 Thief River Falls
Pennington County, MN
2013 Thief River Falls
Pennington County, MN
2016 Thief River Falls
Pennington County, MN
2019 Thief River Falls
Pennington County, MN

2022 Thief River Falls
Pennington County, MN