
Oza Tanka Lakebed defines this portion of Faribault County, representing a landscape transformed by intensive drainage and agricultural engineering. The terrain is crisscrossed by an extensive network of water management features, including Judicial Ditch No 1, County Ditch No 7, and numerous others that feed into the East Branch Blue Earth River. This grid of ditches reflects the transition of former wetlands into productive farmland, a defining characteristic of southern Minnesota’s rural development. Small clusters of local history are preserved in sites like St Marys Cem near Easton and King Cem to the south. The area’s mid-century aviation and infrastructure are visible through the Martin Landing Strip and the intersection of local roads at the settlement of Emerald.
28 named features on this map. Tap any name to fly to it.
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This is the sole edition of this map. No revisions or reprints were ever made.
1954 · Fairmont
USGS Topo · 1:250,000
1954 · Mason City
USGS Topo · 1:250,000
1955 · Bricelyn
USGS Topo · 1:62,500
1957 · Mason City
USGS Topo · 1:250,000
1958 · Mason City
USGS Topo · 1:250,000
1958 · Fairmont
USGS Topo · 1:250,000
1967 · Minnesota Lake
USGS Topo · 1:24,000
1967 · Elmore
USGS Topo · 1:24,000
1967 · Easton
USGS Topo · 1:24,000
1967 · Delavan
USGS Topo · 1:24,000