Grand Staircase-Escalante National Monument Modification

Current understanding

To be populated as evidence accumulates.

2026-07-17 — Modifying the Bears Ears National Monument: cross-connection with bears-ears-national-monument: Both are Utah national monuments subject to presidential Antiquities Act modification actions; parallel executive interventions on monument boundaries. (novelty: 2)
2026-07-17 — Modifying the Grand Staircase-Escalante National Monument: Presidential executive document modifies the boundaries/management of Grand Staircase-Escalante National Monument under Antiquities Act authority; practical effects on acreage, mineral withdrawal status, and permitted uses depend on the proclamation text. (novelty: 2)