Schoharie Valley Forts

 (F) 42.6773, -74.3018, Old Stone Fort (1) (1777-1785) (F) 42.60593, -74.33849, Middle Fort (1777-1783) (F) 42.58228, -74.39104, Upper Fort (1) (1777-1783) (F) 42.79421, -74.75641, Fort Alden (2) (1778-1780) (F) 42.71576, -74.27639, Schoharie Blockhouse (1781-1783) (F) 42.68059, -74.47071, Fort Du Bois (1) (1779-1779) (F) 42.69187, -74.40841, Fort Castel (1757-1783)