" ... drawn in general conformity with Ralph Happel's 1958 historical base map, which itself relies heavily on Jedadiah Hotchkiss's 1866 maps of the field ... ", and includes Fredericksburg and Salem Church. Shows land use, vegetation cover, field crops, field lines, and farmer's names as in 1863. Military locations not shown. Col. printed reproductions of painted watercolor originals. Relief shown by hachures. Verso: text, notes, col. ill., col. facsims., and statements of recommendation.