I guess chevelles.com has it wrong too....
70, 71, & 72 Wagons
--------------------------------------------------------------------------------
1970, 71 & 72 Wagons are very similar, as you can see in the picture I took at the Spring 2001 Carlisle, PA swap meet. During the years of 70 to 72, Chevelle wagons were only
available in 4 door versions. In 1970 the wagon along with it's cousin Chevelle, received a body design change. The majority stayed the same as 68 & 69 with exception the the tail lights, head lights, grill and dash board being some of the biggest differences. Among many other things this changed the radiator support, fenders, hood and the doors received safety steel bar inside