Effigy Mounds National Monument

The park was created in October 1949 to protect a small area along the banks of the Mississippi River where Native Americans built earthen mounds for millennia.

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NASA image created by Jesse Allen, Earth Observatory, using data obtained courtesy of the University of Maryland’s Global Land Cover Facility.

Published September 11, 2005

Source:

Landsat 7

Collection:

U.S. National Parks