The Mississippi River defines the border between Illinois and Missouri in this 2021 study, serving as a corridor for commerce and a divider for the rugged river bluffs. On the Illinois side, the Shawnee National Forest covers much of the uplands, hiding deep hollows like Joliet Hollow and Black Powder Hollow. Settlements such as Thebes and Fayville sit perched along the eastern bank, while the western Missouri shore features the town of Commerce and the flatlands of Big Cypress.
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This is the sole edition of this map. No revisions or reprints were ever made.
1920 · Jonesboro
USGS Topo · 1:62,500
1922 · Cape Girardeau
USGS Topo · 1:62,500
1923 · Jonesboro
USGS Topo · 1:62,500
1924 · Cape Girardeau
USGS Topo · 1:62,500
1934 · Thebes
USGS Topo · 1:62,500
1934 · Morley
USGS Topo · 1:62,500
1939 · Morley
USGS Topo · 1:62,500
1939 · Thebes
USGS Topo · 1:62,500
1947 · Jonesboro
USGS Topo · 1:62,500
1947 · Mc Clure
USGS Topo · 1:24,000