Eastern US  Western US  Clouds  Insects/Mammals Secondary Color Works | Western US | P1990-51-825-2  image 6 of 39  Hedgehog Cactus with Terpentine Bush, Madrona Ranger Station, Saguaro National Monument, Arizona, April 13, 1953 Request imagery Secondary Color Works | Western US | P1990-51-825-2  image 6 of 39