Landscape architecture; Water course; Bigelovia hartwegi; Tucson, Arizona
Transformation of old stage road to water course. Note rounded form of shrubs due to spacing; Bigelovia hartwegi prominent. Tucson plains, Arizona [Neg. of C. E. Preston]
Line of low herbage denotes a ""wash,"" Opuntia fulgida (Cholla cactus) is prominent, and spring cover of plantage in Tucson plains, Arizona [Neg. C. E. Preston]