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![Ohio Memory Project: Geography and Natural Resources of Ohio [Pdf] Article](https://static.lp.lexp.cloud/images/attachment_defaults/resource/large/FPO-knovation.png "Ohio Memory Project: Geography and Natural Resources of Ohio [Pdf] Article")
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Ohio Memory Project: Geography and Natural Resources of Ohio [Pdf]
Read about the geography and natural resources of Ohio in your study of this state. Discusses geology, rock and mineral resources, geologic time, and glaciation.
Science Education Resource Center at Carleton College
Serc: Looking at Minnesota Geology
Students will observe the geology of Minnesota by studying rock and mineral samples.
US Geological Survey
U.s. Geological Survey
The U.S. Geological Survey reports on the latest news affecting the earth today, as well as providing a wealth of data, reports, and information.