Natrona and the surrounding agricultural lands of Mason County are defined by a precision-grid road network and an intricate system of water management. The landscape is marked by engineered drainage projects like Waldmeier Ditch, Main Ditch, and Allens Grove Ditch, which redirect water across the prairie to support local farming. The boundary between Tazewell Co and Mason Co cuts through the northern and eastern portions of the map, threading between small settlements like Allen and Winkel.
50 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.
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