There is no question that an Act of Congress can eliminate, shrink, or weaken a national monument proclaimed by a president pursuant to authority granted by Congress. What Congress giveth, Congress can taketh away. The property clause of the U.S. Constitution (Article 4, Section 3, Clause 2) ensures that. Yet in fifty-five Congresses over the past 110 years, Congress has rarely acted to eliminate, reduce, or weaken a national monument proclamation by a president.
Read MoreCrabtree Lake in Crabtree Valley, home to some of the largest and oldest trees in Oregon, located on western Oregon public lands administered by the Bureau of Land Management, in Linn County, is part of the proposed Douglas-Fir National Monument. Photo: David Stone, Wildlands Photography.