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...

The Texas Supreme Court held that the common-law "accommodation doctrine," which gives an oil-and-gas lessee an implied right to use the land as reasonably necessary to produce and remove the minerals as long as it exercises that right with due regard for the landowner's rights, also extends to grou...