Alpena serves as a central hub on this 2020 landscape, straddling the line between Carroll and Boone counties. The terrain is defined by a series of steep drainages and prominent ridges, including Pine Mtn and the steep elevations at Chaney Bluff and Ward Bluff. Small, traditional settlements such as Coin and Hough are scattered throughout the hills, connected by a network of winding roads like Co RD 835 and Co RD 811.
118 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.
1904 · Harrison
USGS Topo · 1:125,000
1905 · Harrison
USGS Topo · 1:125,000
1945 · Harrison
USGS Topo · 1:250,000
1949 · Harrison
USGS Topo · 1:250,000
1954 · Harrison
USGS Topo · 1:250,000
1958 · Harrison
USGS Topo · 1:250,000
1964 · Harrison
USGS Topo · 1:250,000
1967 · Gaither
USGS Topo · 1:24,000
1967 · Omaha
USGS Topo · 1:24,000
1967 · Batavia
USGS Topo · 1:24,000