Exiting a Wash into the San Pedro River.
Tags: alison,arizona,cochise county,cottonwood tree,fall color,san pedro riparian national conservation area,san pedro river,san pedro river valley,tamarisk,tucson field office,united states

Tamarisk - Saltcedar - an aggressive invasive species adding beautiful color to the river.
Tags: arizona,cochise county,fall color,san pedro riparian national conservation area,san pedro river valley,tamarisk,tucson field office,united states

Big Cottonwoods along the San Pedro right and center, Tamarisk on the left.
Tags: arizona,cochise county,cottonwood tree,san pedro riparian national conservation area,san pedro river,san pedro river valley,tamarisk,tucson field office,united states