The biota of Sierra Ancha, Gila county, Arizona

by Johnson, R. Roy (Raymond Roy), 1932-
Published 1960

Riparianlands are Wetlands: The Problem of Applying Eastern American Concepts and Criteria to Environments in the North American Southwest

by Lowe, Charles H., Johnson, R. Roy, Bennett, Peter S.
Published 1986

Stream Order in Ephemeral Watercourses: A Preliminary Analysis from the Sonoran Desert

by Johnson, R. Roy, Warren, Peter L., Anderson, L. Susan, Lowe, Charles H.
Published 1984

Nocturnal rodent populations and associated vegetation with implications of human use at Saguaro National Monument, Arizona

by Duncan, Douglas Keith, 1960-
Published 1989