Overhead diagram of the escape tunnel, from Century Magazine, March
|Ground Plan of Libby Prison and surroundings. A.
Break in fire-place on floor above; B. End of tunnel;
C. Couse of party escaping; D. Shed; E.
Cook room (abandoned Oct, 1863); F. Lumber room; G.
Office of James River Towing Company; H. Gates; I.
Doors; J. Cells for condemned prisoners; K.
First tunnel (abandoned); L. Fence.
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