Masonville stands as the primary community in this rural landscape, situated in the northwestern corner of the quadrangle. The town's civic identity is anchored by the Masonville Post Office, which serves as a central point for the surrounding agricultural tracts. The geography is defined by a dense network of meandering waterways, including Prairie Creek, Silver Creek, and Sand Creek, which carve through the land and influence the placement of regional roads.
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This is the sole edition of this map. No revisions or reprints were ever made.
1900 · Anamosa
USGS Topo · 1:125,000
1901 · Oelwein
USGS Topo · 1:125,000
1902 · Elkader
USGS Topo · 1:125,000
1903 · Winthrop
USGS Topo · 1:125,000
1959 · Dubuque
USGS Topo · 1:250,000
1961 · Dubuque
USGS Topo · 1:250,000
1962 · Dubuque
USGS Topo · 1:250,000
1965 · Thorpe
USGS Topo · 1:24,000
1965 · Lamont
USGS Topo · 1:24,000
1965 · Dundee
USGS Topo · 1:24,000