Any help on the location is appreciated

K25 slide scan. Built 1956 as corporate CV-440-85 N4E. Converted to CV-580 1965, reregistered N4479 1969, N55H 1974, N45LC 1985. Converted to research aircraft for ERIM at Willow Run 1987, transferred to Veridian Systems 2001 and General Dynamics 2005. Acquired by IFL Group 2011 for spares use at Pontiac, still present 2023

This 1958 DHC-4 was once assigned to the fleet of Nordair (CF-LAN), was sold to Imperial Oil (CF-LAN) before it became N6080 in Jun'71. That registration was carried with Internountain Aviation up to early 1975. The Caribou flew from Feb'75 with Air America and started to operate with this Environmental Research Institute of Michigan from June 1976. The Caribou was pictured at a small airshow at Willow Run in '89. It stayed here with HAT Aviation from August 1998 and was stored. It is currently preserved at in full US Army colours with fake serial '24171' at the Yankee Air Museum at Willow Run.