
The Mackinaw River winds through this central Illinois landscape, carving a valley that separates the rural plateaus of Tazewell County. The settlement of Dillon sits on the northern bluffs, where local history is anchored by the Dillon Cem and nearby Antioch Cem. The terrain south of the river transitions into the grid-patterned farmland surrounding Delavan, a community whose northern edge is visible alongside Saint Marys Catholic Cem.
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This is the sole edition of this map. No revisions or reprints were ever made.
1905 · Peoria
USGS Topo · 1:62,500
1927 · Peoria
USGS Topo · 1:62,500
1928 · Mackinaw
USGS Topo · 1:62,500
1932 · Mackinaw
USGS Topo · 1:62,500
1942 · Delavan
USGS Topo · 1:62,500
1951 · Minier
USGS Topo · 1:62,500
1958 · Peoria
USGS Topo · 1:250,000
1960 · Marquette Heights
USGS Topo · 1:24,000
1960 · Pekin
USGS Topo · 1:24,000
1961 · Peoria
USGS Topo · 1:250,000