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1971 Map of Grassy Key, 1973 Print
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1971 Map of Grassy Key

USGS Topo · Published 1973

About this map

Grassy Key and its neighboring islands are depicted in this early 1970s orthophotomap, showing the delicate balance of the Middle Keys' geography before further modern expansion. This unique survey combines aerial photography with topographic data, revealing the intricate water systems of Florida Bay and the Hawk Channel. The transportation corridor is anchored by the Long Key Viaduct, which links Conch Key to the northeast. Notable development on Duck Key is visible, including its distinct canal system and golf course.

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Map Details

Date Portrayed1971
Date Published1973
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions24 x 26.7 inches

Editions of this 1971 Grassy Key Map

Historical Maps of Marathon Through Time

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain