- United States Coast Survey
- Digital Commonwealth
- Boston Public Library
- [United States Coast Survey]
Shows roads, railroads, houses, vegetation, a street plan of Charleston, drainage, and shoals. Depths shown by soundings. Overprinted to show 1/2-mile concentric circles centered on St. Michaels, Charleston extending as far as 7 miles. Includes index for batters, trenches, and fleet positions. U.S. Coast Survey, A.D. Bache Supdt.
- No known copyright restrictions. This work is licensed for use under a Creative Commons Attribution Non-Commercial Share Alike License (CC BY-NC-SA).