Assertion: dirt track | /r/HasProperty | a turf course
Facets:
value: before 1976
type: TEMPORAL
Source sentences:
text: Before 1976, the Inner Dirt Track was a turf course and was known as the Main Turf Course, with the present turf course being the Inner Turf Course; following the conclusion of racing in 1975 the grass on the Main Turf Course was uprooted and the Inner Dirt Track took its place to permit year-round racing.