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geology

The view down the Wisconsin River from Cactus Bluff in Ferry Bluff State Natural Area. Millions of years ago this valley was carved to a depth of over 600 feet by an ancient river. The last major glaciation deposited as much as 300 feet of sand and gravel, resulting in the broad floodplain and terraces that characterize the Lower Wisconsin River valley today. Photo by Eric Carson.

Geologist Eric Carson's discovery of an ancient river in Wisconsin will change the way we think about rivers in North America.

At long last we have a biography of Increase A. Lapham, one of Wisconsin’s most important early residents.

Editor's Note: This article appeared in the Spring 2012 edition of Wisconsin People & Ideas.

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