In follow up to my inquiry - WDFW finally responded to my email. They solidified that the "Heart K" land shown belonging to RMEF is not actually huntable to public. While it is technically public land, it is not accessible currently and remains No Public Access beyond fencing. They explained how citations have been issued recently due to misunderstandings - as mentioned in a previous post, it does seem to be in some sort of public trust for future public access, with an unknown timeline. The area, is still in restoration, from the RMEF work to rehabilitate the land with natural grass lands, and eradicating invasive weeds.
While I was there during my hunt in early September, there was a gorgeous herd of Elk, with a handsome 6 point grazing through. Good to see - overall, for my hunt in that early season was unsuccessful, but between GMU 340 and 336, the elk seem fairly healthy; specifically that herd in the no public access fields held an elusive spike bull, and two true spikes, over two dozen cows and 6 to 8 calves, and of course that bull previously mentioned. Looks like the rehabilitation of natural plant life might be paying off for healthy herd populations.