Pennsylvania-Maryland, Gettysburg battlefield and vicinity /
Geological Survey (U.S.)
[Reston, Va.] : The Survey,
1913.
Relief shown by contours and spot heights. Contour interval 20 feet.
Gettysburg, Fairfield, Emmitsburg, and Taneytown atlas sheets combined in this map.
Surveyed in 1885 and 1906-1909 in cooperation with the states of Pennsylvania and Maryland.
Engraved Dec. 1910 by U.S.G.S.
Datum is mean sea level.