Descriptive Information"Salty Dog" -after stabilization. Maryland sideof Potomac at end of RR Br. Original caption: NHF-2359, Park: HFNHP; Subject: "Salty Dog" - August 1963. - after stabilization; Location: Maryland side of Potomac at end of RR Bridge under Maryland Heights.; photographer and companions: C. B. King, Management Asst. HFNHP; DATE: August,1963.