Seriously, go get at least one of Galen's white books for this kind of thing or you will keep posting and waiting for replies. You will want at least the casting numbers one and I'd get the production code one for your car. I bought the whole set and use them often.
http://www.gvgovier.com/whitebooks.htmThe numbers is right by the valve stem and the part number is:
* Stamped Steel Wheel 2944450 (70-71 only)
* Ralley 2944390 (70-71 only but two different wheel codes)
I think the 70 rims would have a P on them with a month day (numbers) which is again by the valve stem.