TY - JOUR T1 - A Trip to the Summit of Orizaba, The Altitudes of Orizaba and Popocatepetl Effects of High-Mountain Climbing JF - Appalachia Y1 - 1898 A1 - Cogshall, W.A. A1 - Douglass, A.E. KW - Douglass KW - Orizaba KW - Popocatepetl KW - travel VL - Vol. VIII IS - No. 4 ER -