The Supreme Court of California held that the state may enter and conduct environmental and geological studies and testing on more than 150 privately owned properties in the Sacramento-San Joaquin Delta that the state might seek to acquire for construction of two new tunnels to deliver fresh water f...

The Ninth Circuit held that Washington state's management of barrier culverts, which allow streams to flow underneath roads, violated various Native American treaties from the 1850s and ordered the state to correct them. The "Stevens Treaties" were entered into in 1854-1855 between Native American t...