The town of Bourbon serves as a primary hub in this Marshall County landscape, where the local grid is defined by a dense network of agricultural drainage ways and early transportation corridors. The layout reveals a highly engineered water system including the Erwin Ditch, Lemer-Berger Ditch, and Danner Ditch, all essential for managing the flat northern Indiana terrain. To the southeast, the settlement of Etna Green sits along the rail line and W Old Road 30, illustrating the historic dependence on these transit routes for the area's development.
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This is the sole edition of this map. No revisions or reprints were ever made.
1953 · Fort Wayne
USGS Topo · 1:250,000
1953 · Chicago
USGS Topo · 1:250,000
1956 · Fort Wayne
USGS Topo · 1:250,000
1957 · Chicago
USGS Topo · 1:250,000
1957 · Inwood
USGS Topo · 1:24,000
1958 · Bremen
USGS Topo · 1:24,000
1958 · Nappanee West
USGS Topo · 1:24,000
1958 · Nappanee East
USGS Topo · 1:24,000
1958 · Bourbon
USGS Topo · 1:24,000
1959 · Atwood
USGS Topo · 1:24,000