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1968 Map of Onamia NW

Name: 1968 Topographic Map of Onamia NW
Creator: U.S. Geological Survey
Published: 1986
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1986

About this map

Mille Lacs Lake dominates this 1960s survey, illustrating the complex bathymetry of its southwestern basin and the specialized preservation areas along its shores. The map details the transition from the open waters of the lake into Vineland Bay, bordered by the forested grounds of Mille Lacs Kathio State Park. Inland, the landscape is dotted with smaller water bodies like Black Bass Lake and Tamarac Lake, which are characteristic of the region's glacial legacy.

Conservation and recreation are central themes here, with the Mille Lacs National Wildlife Refuge protecting small landmarks such as Spirit Island. Along the shoreline, human development is visible at South Harbor and Roadside Park, while distinct geographic features like Kathio Point and Rainbow Island define the irregular coast. The boundary between Aitkin and Mille Lacs Counties is also clearly delineated, crossing the northern waters of the lake.