Maroa anchors this agricultural landscape of central Illinois, where the grid of rural roads meets the diagonal path of Old US Hwy 51. The town's residential core is defined by streets like N Wood St and S Chestnut St, while the Maroa Cem lies just to the east. Northward, the small settlement of Ospur sits near the crossing of Salt Cr, which meanders through the northern plains alongside Banta Lakes. This survey captures the region's late 20th-century development, including the significant footprint of the Clinton Landfill and the local aviation hub at Margenthaler Airport. Water features such as the N Fork Lake Fork and the southern reaches of Weldon Springs Lake provide the primary natural breaks in the vast, sectioned farmland of Macon County.
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This is the sole edition of this map. No revisions or reprints were ever made.
1929 · Decatur
USGS Topo · 1:62,500
1933 · Decatur
USGS Topo · 1:62,500
1954 · Niantic
USGS Topo · 1:62,500
1957 · Kenney
USGS Topo · 1:62,500
1957 · Maroa
USGS Topo · 1:62,500
1958 · Peoria
USGS Topo · 1:250,000
1958 · Decatur
USGS Topo · 1:250,000
1961 · Peoria
USGS Topo · 1:250,000
1961 · Decatur
USGS Topo · 1:250,000
1963 · Peoria
USGS Topo · 1:250,000