A descriptive analysis of woody riparian vegetation at Quitobaquito Springs Oasis, Organ Pipe Cactus National Monument, Arizona
National Park Service Water Resources Division; National Park Service
Riparian vegetation study: Zion National Park, Utah
National Park Service Water Resources Division; National Park Service
Riparian vegetation along two forks of the Virgin River in Zion National Park, Utah
National Park Service Water Resources Division; National Park Service
