On 69/70 (and probably other years too), there is no spline indexing, so the wheel can go on however you choose, but I would not recommend it. Also, I have not seen dots, but I have seen (and have) a thin index line on the top of the steering shaft and a small groove in the wheel that the nut covers up when in place, these are used to index the wheel to the shaft.
If you are confident that the wheel alignment (besides the wheel center position) is good, you can loosen the tie rod sleeves and turn one one way and the other an equal amount in the opposite direction thereby maintaining the toe setting but moving the position of the wheel at center.
If the wheel is off to the right, you lengthen the DS tie rod/sleeve assembly and shorten the PS one. If off to the left, the opposite of above.
Depending on how far the wheel is off will determine how much to move the sleeves. Mine was only off a little bit (maybe 1 inch from horizontal on the spokes at the edge by the wheel rim), about 1/2 turn on the sleeves was all that was needed to adjust this out.
Hope this helps.
Regards,
Bob