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Filters: Keyword is Popocatepetl [Clear All Filters]

1898

Douglass, AE. 1898. “An Ascent Of Popocatepetl”. Popular Astronomy. Popular Astronomy.

Douglass, AE_An Ascent of Popocatepetl_1898.pdf (6.69 MB)

Cogshall, WA, and AE Douglass. 1898. “A Trip To The Summit Of Orizaba, The Altitudes Of Orizaba And Popocatepetl Effects Of High-Mountain Climbing”. Appalachia Vol. VIII (No. 4). Appalachia.

Cogshall, WA, Douglass, AE_A Trip to the Summit of Orizaba, THe Altitudes of Orizaba and Popocatepetl Effects of High Mountain Climbing_1897.pdf (16.55 MB)

1897

Douglass, AE. 1897. “An Ascent Of Popocatepetl”.

Douglass, AE_An Ascent of Popocatepetl_1897.pdf (1.92 MB)