Hearteater, I see most sheep on the North side, but ...if I were you, I'd go to the Fred Robinson Bridge and drive up the Missouri, just take the big roads (There aren't many) and drive 'em. Lower Twocalf, Woodhawk, - they all have ewes. If you want, FWP has maps of the general locations of...
I've hunted sheep in 482 and 680. I have a ewe tag again this year and drew the ram tag last year. Late September can't be beat. What area did you draw? The mosquitos usually take a dive by the last week of September - the floating is crazy easy, the river is quite, fishing off the charts...
I killed a 183 ram in the breaks - area 482 and looked at quite a few better rams before settling for the one I got on the last day. I love him, but had flair been standing around, I'd have killed flare - probably on day one!