Descriptive InformationJohn Brown's Trading Post (Souvenir Store). Potomac Street across from RR Depot. Original caption: NEGATIVE NO NHF-2660; Park: HFNHP; Subject: John Brown's Trading Post (Souvenir Store); Location: Potomac Street across from RR Depot; Purpose: photographer and companions: Clyde B King, Management Asst HFNHP; DATE: Feb 1965.