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As everyone has said they are mid 70's Ford LTD's and Country Squire Wagons. The other tip off is that the auto racks are open not closed. They haven't used them in twenty five or thirty years. They reduce vandalism.
I think they look like oldsmobiles? but it makes sence that they could be Fords with the wagon in the mix... anyone notice the F units behind the auto racks? almost looks like Eire Lackawana units?
They're all mid-seventies fords. You wouldn't find a mix of makes on the same auto carrier. The big woody wagons are Ford coutry squires, My friend's family had one growing up (think of them as the forrunner to a Ford expedition) The others are either galaxies or LTD sedans.
Thank you all for the info.
I think I narrowed it down, with all your help and doing more research, to 1974.
Check out this shot of a 1974 Brougham LTD. Doesn't it look like the yellow one on the carrier?