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1971 Map of Chesapeake Channel, 1972 Print
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1971 Map of Chesapeake Channel

USGS Topo · Published 1972

About this map

Chesapeake Bay Bridge-Tunnel cuts a bold diagonal across the open waters of the Chesapeake Bay in this 1971 study. This map documents a critical infrastructure link, showing the path where the (Toll) road transitions into the Chesapeake Channel tunnel to allow for deep-water shipping. The hydrographic data, compiled from U.S. Coast and Geodetic Survey charts, reveals the complex underwater topography of the lower bay. Maritime researchers can trace the hazardous shallows of Nine Foot Shoal and the shifting sandbars of the Inner Middle Ground and Middle Ground. These features define the natural maritime corridors of the North Channel, illustrating the delicate balance between natural nautical obstacles and the engineering required to bridge them for automotive travel.

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Map Details

Date Portrayed1971
Date Published1972
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions22.1 x 26.9 inches

Editions of this 1971 Chesapeake Channel Map

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain