Blog / Natural History / Other / Teaching / Videos The Hetch Hetchy Valley next to Yosemite! September 18, 2025 Teddy Rosevelt was president and he managed to protect Yosemite, the glorious canyon in California’s Sierra Nevada’s Mountains. That canyon had a companion, the one cut by the Tuolumne River in its own gorge just to the north. Rosevelt tried… Continue Reading
American History / Blog / Blog Categories / Natural History / Other / Teaching / Videos The Hetch Hetchy Valley 2023 San Francisco needed fresh water to grow. The City wanted to take it from the sister canyon of… December 18, 2023