Remains at Fort Schlosser Small 300×320 Medium 601×640 Large 961×1024 Download Tiff Original 2252×2400 | (6.4 MB) Description Fort Schlosser was a fortification built in Western New York in the USA around 1760 by British Colonial forces, in order to guard the upper entrance to the portage around Niagara Falls. Keywords colonial america, Fort Schlosser, New York, niagra falls, remains Galleries 1607-1762 Colonial America, New York Source: Benson John Lossing, ed. Harper's Encyclopedia of United States History (vol. 8) (New York, NY: Harper and Brothers, 1912)