
Industrial activity and education define this coastal hub at the mouth of the Thunder Bay River. Extensive Quarry operations and numerous Gravel Pits north of town, connected by a dedicated Conveyor and the Detroit and Mackinac rail line, suggest an economy deeply tied to mineral extraction. The city of Alpena itself is densely mapped with institutional landmarks, including a high concentration of schools like Besser Jr High Sch and specialized facilities like the Community College.
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2 editions found
1954 · Tawas City
USGS Topo · 1:250,000
1954 · Alpena
USGS Topo · 1:250,000
1957 · Alpena
USGS Topo · 1:250,000
1958 · Alpena
USGS Topo · 1:250,000
1958 · Tawas City
USGS Topo · 1:250,000
1969 · Alpena
USGS Topo · 1:250,000
1971 · Lake Winyah
USGS Topo · 1:24,000
1971 · Long Lake West
USGS Topo · 1:24,000
1971 · Alpena
USGS Topo · 1:24,000
1971 · Middle Island
USGS Topo · 1:24,000