1967 Map of Blackwater Lake SW, 1969 Print
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1967 Map of Blackwater Lake SW

USGS Topo · Published 1969

About this map

Lake Sakakawea dominates the landscape of this McLean County survey, reflecting the transformed Missouri River valley following the construction of the Garrison Dam. The reservoir's reach into Nishu Bay and the surrounding inlets created a complex shoreline where the Missouri River once flowed more freely between the McLean and Mercer county lines. Land management and public access points like the Nishu Public Use Area and the Beaver Creek State Game Management Area show the shift toward conservation and recreation in the mid-1960s. High ground features like Buffalo Rock Coulee and Sixmile Creek drain into the rising waters, while the Beaver Creek Cem stands as a quiet remnant of the area's rural upland history, situated just north of the Beaver Creek arm of the lake.


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Map Details

Date Portrayed1967
Date Published1969
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions22 x 26.9 inches

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CopyrightPublic Domain