S.D. Voters to Decide Fate of Abortion Ban

From the AP:

PIERRE, S.D. (AP) -- Voters will have the final say on South Dakota's tough new law that bans almost all abortions.

Secretary of State Chris Nelson said Monday that the law's opponents had collected enough signatures to put a question on the Nov. 7 ballot asking voters if the law should go into effect as planned or be dumped.

...

Both sides pledged Monday to conduct all-out campaigns on the issue. [More...]

My understanding is that this state-wide vote is a step back for Pro-Lifers, who instead hoped that the law would be referred to the Supreme Court for resolution, and not kept within the state. Am I on track?