The Shell Rock River winds southeastward through Cerro Gordo and Floyd counties, acting as the primary geographical anchor for the communities of Rock Falls and Nora Springs. In this 2015 update, the landscape remains primarily defined by its riparian corridors and an extensive section-line road network, including Co Rd B15 and Co Rd B25. The village of Rock Falls is particularly well-detailed, showing the Rock Falls Bridge and the nearby Rock Falls Cem. Further north, the settlement of Plymouth sits near the confluence of Beaver Cr and the river, while Nora Springs serves as a significant crossroads in the southeast. Genealogists can locate several historic burial grounds, such as Spring Grove Cem, and local landmarks like Spotts Field, providing a clear view of land use and property boundaries in this part of northern Iowa.
70 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.
1954 · Mason City
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 · 1:24,000
1959 · Mason City
USGS Topo · 1:62,500
1959 · Nora Springs
USGS Topo · 1:24,000
1959 · Mason City SE
USGS Topo · 1:24,000
1959 · Hanford
USGS Topo · 1:24,000
1971 · Rockford
USGS Topo · 1:24,000
1971 · Rudd
USGS Topo · 1:24,000