Drawn by E. Hergesheimer. Engr. by Th. Leonhardt. 1 map 69 x 86 cm. Scale ca. 1:3,000,000. "Entered according to Act of Congress, A.D. 1861 by Henry S. Graham." "Sold for the benefit of the sick and wounded soldiers of the U.S. Army." "Census Office, Department of the Interior, Washington, Sept. 9th, 1861. After a careful examination of the above very interesting map I am prepared to state that it not only furnishes the evidences of great care in its execution, but can be relied on as corresponding with the official returns of the 8th Census. [Signed in facsimile] Jos. C.G. Kennedy, Superintendent." Map indicates by gray patterns, the percentage of slaves in each county. "It should be observed, that several counties appear comparatively light. This arises from the preponderance of whites and free blacks in the large towns in those counties. . . The figures in each county represent the percentage of slaves." "Scale of shade" printed in lower right corner. Includes population table based on census of 1860. Description derived from published bibliography.