(1941). Erosion and related land use conditions on the Chehalem mountain demonstration project, Oregon.
Cita Chicago (17th ed.)Erosion and Related Land Use Conditions on the Chehalem Mountain Demonstration Project, Oregon. 1941.
Cita MLA (9th ed.)Erosion and Related Land Use Conditions on the Chehalem Mountain Demonstration Project, Oregon. 1941.
Atenció: Aquestes cites poden no estar 100% correctes.