[Fightin Whitey]

Their family owned the grazing rights before any “public land”

Exactly so. The federal leviathon decides it needs to stretch its limbs, and all contracts, leases, agreements---buh-bye.

And here come the SWAT Teams from the BLM, National Forest Service, U.S. Fish & Wildlife, et al., just to remind you who is in charge.

[TigersEye]

The federal leviathon decides it needs to stretch its limbs, and all contracts, leases, agreements---buh-bye.

All of which had stood for decades after the state had agreed to the Federal land designations. Makes it pretty clear that the state did not sign away those contracts, leases and agreements. They were and are still valid.