1-3 of 3 Books
The Portage Lake Volcanics (Middle Keweenawan) on Isle Royale, Michigan
The Portage Lake Volcanics (Middle Keweenawan) on Isle Royale, Michigan
By N. King Huber
Revisions of stratigraphic nomenclature within the Keweenawan supergroup of northern Michigan
Revisions of stratigraphic nomenclature within the Keweenawan supergroup of northern Michigan
By William F. Cannon
Geochemistry, petrography, and volcanology of rhyolites of the Portage Lake volcanics, Keweenaw Peninsula, Michigan
Geochemistry, petrography, and volcanology of rhyolites of the Portage Lake volcanics, Keweenaw Peninsula, Michigan
By Suzanne W. Nicholson