President Biden's designation protects more than 224,000 acres of volcanic forest habitat, including a dormant volcano and a massive underground aquifer system.

President Joe Biden on Tuesday established two new national monuments in California, the latest in a flurry of major environmental initiatives affecting the Golden State as his presidency comes to a close.

The Chuckwalla National Monument and the Sáttítla Highlands National Monument will protect more than 848,000 acres of public lands