Rock Valley sits at a geographic pivot where the Rock River meanders through Northwest Iowa, creating a landscape defined by its waterways and a rigid section-line road grid. The 2010 survey shows the town's expansion south of its central core, with significant landmarks such as the Rock Valley Post Office and recreational points like Rock River Access along the river's eastern bends. The surrounding countryside is drained by several tributaries, including Dry Run Creek to the northwest and Rogg Creek and Dry Creek to the southeast, illustrating the natural drainage patterns that have historically dictated agricultural land use in Sioux County.
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This is the sole edition of this map. No revisions or reprints were ever made.
1955 · Sioux Falls
USGS Topo · 1:250,000
1958 · Sioux Falls
USGS Topo · 1:250,000
1964 · Sioux Center
USGS Topo · 1:24,000
1964 · Hull
USGS Topo · 1:24,000
1968 · Hawarden North
USGS Topo · 1:24,000
1968 · Fairview
USGS Topo · 1:24,000
1968 · Labanon
USGS Topo · 1:24,000
1968 · Rock Valley
USGS Topo · 1:24,000
1971 · Inwood
USGS Topo · 1:24,000
1971 · Doon
USGS Topo · 1:24,000