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Walnut Gardens Speedway, Camby IN
Closed
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Watkins Glen, third circuit
Closed
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Memphis-Arkansas Speedway
Closed
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old Bryar Motorsports Park Course (replaced by NHMS)
Closed
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initial version of map of 1895 Times-Herald race route in Chicago; incomplete and some parts are conjectural
Closed
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add course for St. Johns Grand Prix, historical airport race course
Closed
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Manzanita Speedway, Phoenix AZ
Closed
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Manzanita Speedway, Phoenix AZ
Closed
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Watkins Glen Grand Prix course, 1952-1953
Closed
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Watkins Glen Gran Prix course, 1948-1952
Closed
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Watkins Glen Gran Prix course, 1948-1952
Closed
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Burden Lake Speedway - moved to OHM
Closed
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Route 66 speedway - moved to OHM
Closed
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pine bowl speedway
Closed