2018-08-102018-08-10n.d.http://hdl.handle.net/20.500.11989/5968Images taken during survey of land that was used when Fort Defiance was in existence along the Cumberland and Red Rivers in Clarksville, Tennessee. Professor Malcolm Muir is seen in this imageslideFort Defiance (Tenn.)Fortification -- Tennessee (Clarksville)Fort Defiance exploration