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Lake Ilo National Wildlife Refuge |
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| 489 102nd Ave. SW Dunn Center, ND 58626 E-mail: lakeilo@fws.gov Phone Number: 701-548-8110 |
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| Visit the Refuge's Web Site: http://lakeilo.fws.gov |
Lake Ilo National Wildlife Refuge has long been a crossroads for both people and wildlife. Civilization in this area dates back 11,000 years. | ||
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Continued . . . Knife River flint, which was used to make sharp-edged tools, was the primary reason the Paleoindians called Lake Ilo home. This dark, caramel-colored, glass-like stone was formed 50-60 million years ago. It is only found in small dense concentrations in western North Dakota. Prehistoric stone tools made from Knife River flint have been found as far away as western New York State and south to northeastern New Mexico.
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