Contour interval 100 feet. Datum is mean sea level., Dissected and mounted on linen., Includes examples of "Conventional signs" used on the map in the upper right margin., and Relief shown by contours and spot heights.
Publisher:
Engraved and printed by the U.S. Geological Survey,
Contour interval 100 feet. Datum is mean sea level., Includes examples of "Conventional signs" used on the map in the upper right margin., and Relief shown by contours and spot heights.
Publisher:
Engraved and printed by the U.S. Geological Survey,