The North Branch Au Sable River and the main Au Sable River corridor anchor this portion of Crawford County, defining a landscape dominated by conservation and military use. Large tracts are managed as the Kirtlands Warbler Wildlife Management Area and the Huron National Forest, while the western edge contains parts of the MTC-H Camp Grayling military training site. This density of protected land maintains the area's character as a network of river systems and forest trails.
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This is the sole edition of this map. No revisions or reprints were ever made.
1949 · Lewiston
USGS Topo · 1:62,500
1949 · Otsego Lake
USGS Topo · 1:62,500
1949 · Grayling
USGS Topo · 1:62,500
1950 · Comstock Hills
USGS Topo · 1:24,000
1950 · Lovells
USGS Topo · 1:24,000
1950 · Roscommon North
USGS Topo · 1:24,000
1951 · K P Lake
USGS Topo · 1:24,000
1951 · Comstock Hills
USGS Topo · 1:24,000
1951 · Lovells
USGS Topo · 1:24,000
1951 · Wakeley Lake
USGS Topo · 1:24,000