Elementary treatise on physical geography : to which is added a brief description of the physical phenomena of the United States / by D.M. Warren., 660 - Chandler Collection no. 195, Volumes: Archives Chandler Collection no. 195. Clarion University Archives.

Elementary treatise on physical geography : to which is added a brief description of the physical phenomena of the United States / by D.M. Warren., 660 - Chandler Collection no. 195, Volumes: Archives Chandler Collection no. 195. Clarion University Archives. http://as-clarion.klnpa.org/repositories/2/resources/1175 Accessed February 05, 2026.