I'm sure it's purely coincidental that the Antiquities Act has been used to put increasingly large tracts off limits

https://en.wikipedia.org/wiki/Antiquities_Act

"In recent years, the federal government has used the Antiquities Act to dramatically increase the amount of land it’s seizing control of – with monuments designated under President Obama nearly 200 times the average size of those President Theodore Roosevelt was initially authorizing," saidChristine Harbin, vice president of external affairs for Americans for Prosperity.

https://www.bloomberg.com/news/articles/2017-08-24/western-monuments-set-to-be-reduced-under-proposal-to-trump