 Complete the following phrase:  George Rogers Clark built a cabin in 1803, in order to live independently from his sister in Locust Grove. He had built a mill on the property at Mill Run. Visitors to the cabin included Aaron Burr, John James Audubon, and various Indian chiefs. After his accident in 1809 he was forced to leave his cabin for good. The original cabin was lost in 1854. In anticipation of the Bicentennial events for the 