Publishers: (1) Lake Erie Coastal Ohio Trail National Scenic Byway (2) Ohio Chapter of The Nature Conservancy (3) Ohio Sea Grant; Editors: Art Weber, Melinda Huntley of the Ohio Sea Grant College Program, Explore the Lake Erie IslandsArchived 2012-02-22 at the Wayback Machine, Retrieved September 1, 2014, (see page 5) "...Lake Erie’s shallow, nutrient-rich western basin and the much deeper central and eastern basins....The western basin... dolomite and limestone are more durable than the softer shales ... glacier dug through the stones ... resistance from the dolomite and limestone in the western basin..."
putinbayportauthority.com
"Home". Put-in-Bay Twp Port Authority. Retrieved 2019-08-09.
Publishers: (1) Lake Erie Coastal Ohio Trail National Scenic Byway (2) Ohio Chapter of The Nature Conservancy (3) Ohio Sea Grant; Editors: Art Weber, Melinda Huntley of the Ohio Sea Grant College Program, Explore the Lake Erie IslandsArchived 2012-02-22 at the Wayback Machine, Retrieved September 1, 2014, (see page 5) "...Lake Erie’s shallow, nutrient-rich western basin and the much deeper central and eastern basins....The western basin... dolomite and limestone are more durable than the softer shales ... glacier dug through the stones ... resistance from the dolomite and limestone in the western basin..."
