Planned to do this hike along with the Mount Peeley Summit in one day. Did not make the summit due to snow on the trail. We turned around short of the summit turnoff as we expected to find more snow which made the going really slow.
FR201 to the trailhead was in good shape. The trailhead parking itself was blocked by two downed trees so we parked at a nearby pullout.
We did a modified version of the described hike. We didn't go as far as the mine on the Cornucopia Trail, but we did go all the way to the Sheep Creek Trail on the Thicket Spr Trail. This allowed me to complete passage 22 of the AZT as 4 in/out day hikes. Definately the time consuming way to do it. I will backpack some of the other passages.
This is really a nice area to hike. It is real wilderness with beautiful views. The trail was quite overgown in some places so I recommend long pants and sleeves. I rolled up my sleeves at our snack stop at the Sheep Creek Trl and regretted it later.