Natrona and the surrounding agricultural landscape of Mason and Tazewell Counties are documented in this recent survey. The terrain is characterized by a sophisticated drainage network essential to the region's farming, including the Allens Grove Ditch, Main Ditch, and Waldmeier Ditch. These man-made channels work alongside natural features like Dry Cr and Norton Lake to manage the prairie water table. Small settlements like Allen and Winkel anchor the grid of section-line roads, such as Co Hwy 10 and Waggonseller Rd. Local history is preserved at several rural burial sites, including the Allens Grove Cem and Heyl Cem. Standing out from the flat surroundings is Buxton Hill in the southeast, a rare elevation point in an otherwise strictly surveyed and engineered landscape.
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This is the sole edition of this map. No revisions or reprints were ever made.
1929 · Manito
USGS Topo · 1:62,500
1932 · Manito
USGS Topo · 1:62,500
1933 · Petersburg
USGS Topo · 1:62,500
1938 · Petersburg
USGS Topo · 1:62,500
1942 · Delavan
USGS Topo · 1:62,500
1948 · Mason City
USGS Topo · 1:62,500
1949 · Mason City
USGS Topo · 1:62,500
1958 · Peoria
USGS Topo · 1:250,000
1961 · Peoria
USGS Topo · 1:250,000
1963 · Peoria
USGS Topo · 1:250,000