tallgrass savanna

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• Carleton College Cowling Arboretum — (also referred to as the Arb) consists of approximately 880 acres (360 hectares) of land adjacent to Carleton College. It was created under the leadership of President Donald J. Cowling and Professor Harvey E. Stork in the 1920s. Professor Stork… …   Wikipedia

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• Pre-Columbian savannas of North America — Pre Columbian savannas once existed across North America. These were created and maintained in a fire ecology by Native Americans until the 16th century death of most natives.cite web|url=http://www.treesearch.fs.fed.us/pubs/4554|title=Wildland… …   Wikipedia