1948 Map of Delaware

The drainage network is dominated by the Montreal River, which cuts through the central valley, and various glacial catchments including Lake Bailey and Gull Lake. To the north, the protected waters of Agate Harbor and North Bay break the rocky coast. The presence of these specific settlements and named peaks allows researchers to trace the mid-century footprint of mining and timber era locations in northern Michigan before modern development altered these remote Copper Country corridors.