Bruce, I can't say with 100% certainty. Some of the photos were in folders labelled for each year, while several were just loose. The race photos that were loose can be pinned down to a particular season because of the cars and colour schemes etc, but I'm not sure about this carpark shot. It could either be 1968 or 1970. I don't think its later than that. But I notice there aren't any Escorts in the photo, and I would have thought if this was 1970 there would at least be a couple as they were pretty common.