
Agricultural lands and emerging coal resources define this 1947 landscape where the boundaries of Henry, Mercer, Knox, and Warren counties meet. The Chicago Burlington and Quincy railroad provides the primary industrial spine, linking settlements like Alpha, Woodhull, and Rio. A notable industrial landmark is the Alpha Coal Mine, positioned south of the town center, signaling the region's extraction history.
66 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.
2 editions found
1912 · Milan
USGS Topo · 1:62,500
1921 · Monmouth
USGS Topo · 1:62,500
1923 · Monmouth
USGS Topo · 1:62,500
1923 · Alexis
USGS Topo · 1:62,500
1925 · Alexis
USGS Topo · 1:62,500
1925 · Galesburg
USGS Topo · 1:62,500
1927 · Galesburg
USGS Topo · 1:62,500
1931 · Galva
USGS Topo · 1:48,000
1934 · Geneseo
USGS Topo · 1:62,500
1937 · Orion
USGS Topo · 1:62,500