
The Shell Rock River defines the northeastern landscape of this Floyd County region, winding through a terrain marked by small settlements and established rural roads. Near its banks sits Marble Rock and the neighboring community of Aureola, connected by a network of thoroughfares like Hickory Ave and Aureola Dr. The area is primarily agricultural, evidenced by the section-line grid that organizes the countryside into large parcels defined by creeks such as Beemis Cr and Ackley Cr.
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This is the sole edition of this map. No revisions or reprints were ever made.
1954 · Mason City
USGS Topo · 1:250,000
1954 · Waterloo
USGS Topo · 1:250,000
1955 · Waterloo
USGS Topo · 1:250,000
1957 · Mason City
USGS Topo · 1:250,000
1958 · Mason City
USGS Topo · 1:250,000
1959 · Mason City
USGS Topo · 1:62,500
1959 · Mason City SE
USGS Topo · 1:24,000
1971 · Rockford
USGS Topo · 1:24,000
1971 · Roseville
USGS Topo · 1:24,000
1972 · Dumont North
USGS Topo · 1:24,000