Forest City and the small settlement of Bishop anchor this portion of Mason County, where the landscape is defined by an extensive network of drainage infrastructure. The presence of numerous waterways, such as the Mason Tazewell Drainage Ditch and White-and-Rowley-Ditch, indicates a long-standing regional effort to manage the local water table for agricultural productivity. This intricate system of channels, including the Waldmeier Ditch and Furrer Ditch, crisscrosses the low-lying terrain, illustrating the engineered transformation of the Illinois prairie. Locally significant landmarks like the Pleasant Hill Cem and Red Oak Ridge provide geographic focal points amidst the grid of rural roads and section lines. The map reveals how the early 21st-century rural economy remained tethered to this carefully maintained hydrology and the grid-based transport network of roads like Co RD 20.
42 named features on this map. Tap any name to fly to it.
Don’t see what you’re looking for? This feature index may not catch every label — zoom into the map to look around manually.
This is the sole edition of this map. No revisions or reprints were ever made.
1929 · Manito
USGS Topo · 1:62,500
1932 · Manito
USGS Topo · 1:62,500
1933 · Petersburg
USGS Topo · 1:62,500
1938 · Petersburg
USGS Topo · 1:62,500
1942 · Delavan
USGS Topo · 1:62,500
1948 · Mason City
USGS Topo · 1:62,500
1949 · Mason City
USGS Topo · 1:62,500
1958 · Peoria
USGS Topo · 1:250,000
1961 · Peoria
USGS Topo · 1:250,000
1963 · Peoria
USGS Topo · 1:250,000