Map - St. Mary's River - Cornfield Harbor and Pt. Lookout Maryland (1861) 

 -  1861 
 -  24" x 34" 
<br/><br/> Nautical chart of the coastal areas around Pt. Lookout, MD.  Includes Chesapeake Bay, Potomac River, and St. Mary's River.  Water depths and some land features.  Includes tide tables, sailing directions, and lighthouse locations.