
Agassiz National Wildlife Refuge dominates this Marshall County landscape, showcasing a complex system of managed wetlands and pools. The map documents the mid-century water management infrastructure of northern Minnesota, featuring numerous artificial impoundments like Agassiz Pool, Headquarters Pool, and the Upper, Middle, and Lower CCC Pools. These water bodies are fed and regulated by the Mud River, Lost River, and engineered channels such as Judicial Ditch No 11.
33 named features on this map. Tap any name to fly to it.
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2 editions found
1918 · Rollis
USGS Topo · 1:62,500
1918 · Middle River
USGS Topo · 1:62,500
1943 · Rollis
USGS Topo · 1:62,500
1943 · Thief River Falls
USGS Topo · 1:62,500
1952 · Thief River Falls
USGS Topo · 1:250,000
1954 · Roseau
USGS Topo · 1:250,000
1956 · Thief River Falls
USGS Topo · 1:250,000
1957 · Roseau
USGS Topo · 1:250,000
1957 · Thief River Falls
USGS Topo · 1:250,000
1958 · Roseau
USGS Topo · 1:250,000