Explore Books on
duluth region

Friendship fires

By Sam Cook

Quiet magic

By Sam Cook

Up North

By Sam Cook

Camp sights

By Sam Cook

Geology of the Duluth gabbro complex near Duluth, Minnesota

By Richard Bartlett Taylor

Flotation responses of two Duluth complex copper-nickel ores

By R. B. Schluter

Bedrock geology of Duluth and vicinity

By Richard Bartlett Taylor