Manuscripts
Spring in ravine which Ervin did not climb
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The ravine with a spring is center, and Ervin climbed south of it
Manuscripts
mssMarston papers V095/0023

Ravine above spring found by Ervin in 1931 after climb from inner gorge
Manuscripts
mssMarston papers P007/0792

Ravine above spring found by Ervin in 1931 above in the inner gorge
Manuscripts
mssMarston papers P007/0797

The ravine where Ervin found a spring on the Tonto i 1931 when climbing out of the Canyon
Manuscripts
mssMarston papers V095/0025

Ravine above the spring found by Ervin after his climb from the inner gorge in 1931
Manuscripts
mssMarston papers V095/0027
