Well, let’s see if his authority can match his rhetoric.
He has authority of one vote on the floor of the House and he might have some authority as a member of a committee that he can use to modify the Federal Land and Policy Management Act of 1976, which has been amended in the past and has been modified by court decisions.
The Sagebrush Rebellion began with the passage of FLPMA. One of the first battles was over the Pine Creek Ranch that Wayne Hage bought in 1978 and the last battle was Warlord Bundy's militia stand-off a year ago. Both men owned a relatively small amounts of land but had grazing rights on very large areas of federal lands
Utah's Transfer Of Public Lands Act went into effect on Jan 1, 2015, but the feds haven't turned over any land to Utah yet.
Of interesting note was yesterday's news story of Obama opening an additional 100,000 acres of BLM land to coal mining.