GM Proving Grounds, Michigan 2016-02-04

[Swift20B]

Swift20B submitted a new resource:

GM Proving Grounds, Michigan - 1/1 Scale version of GM proving grounds R and H Loop

View attachment 511100​

R and H Loop at the General Motors Proving Grounds in Milford, Michigan. 1/1 Scale. Fun and easygoing.

Map Link: http://www.gpsvisualizer.com/draw/?type=h&zoom=15&center=42.595696,-83.691004&note=

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