Thanks for this post. It's a fun hike.
Having recently moved to Prescott, I've been hiking in that area. The location identified on the topo map as Mt. Porter is actually an unnamed peak. Mt. Porter is approximately two miles to the southeast of West Spruce Mountain. I've notified Google and hope they make the change to their maps.
Thx for the alert. I had seen that on other maps too and wasn't sure which one was right.