
Marble Rock and the surrounding Butler County landscape are defined by the winding course of the Shell Rock River, which serves as the primary geographic corridor through this section of northern Iowa. In the early 1970s, the Chicago Rock Island and Pacific railroad remained a critical artery for the region, cutting diagonally across the terrain to connect small riverside communities. The map highlights the localized nature of early 1970s land use, from the Picnic Area and Golf Course near the river to the scattered Quarry and Gravel Pits that supported local industry.
22 named features on this map. Tap any name to fly to it.
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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
1971 · Rockford
USGS Topo · 1:24,000
1971 · Charles City
USGS Topo · 1:24,000
1971 · Nashua NW
USGS Topo · 1:24,000
1971 · Clarksville
USGS Topo · 1:24,000
1971 · Roseville
USGS Topo · 1:24,000