Cession Details

The right, yellow portion of the map is from a 1772 treaty with the Governor of Virginia, and include Virginia and West Virginia.

The left, olive colored portion of the map is from a treaty made with William Henderson, et. al.,(Wikipedia) on March 17, 1775, and included portions of Virginia as well as Tennessee.

from a map by C. C. Royce, published in 1884. You can see the entire map at this site.