Stensaas, Mark.
Contents: Beach profiles (Corner of the Lake ; Kitchi Gammi Park ; Stoney Point ; Burlington Bay ; Flood Bay ; Gooseberry Falls State Park ; Split Rock River ; Beaver River ; Tettegouche State Park ; Good Harbor Bay ; Grand Marais Harbor ; Paradise Beach) -- Tips for rock pickers -- Lake Superior's geologic roots -- Basalt -- Ophitic basalt -- Diabase -- Gabbro -- Rhyolite -- Granite -- Vesicular basalt...
Format: text
Publisher / Publication Date: Kollath-Stensaas 2000