Manuscripts
Spring in upriver fork of 234 Mile Canyon found by Ervin in 1931
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Pool in 234 Mile Canyon. Photographed as the party hiked up in search of the spring which Ervin found in 1931
Manuscripts
mssMarston papers V095/0041

Pool at spring found by Ervin after climb to the top of the pre-Cambrian above 234 Mile Rapid
Manuscripts
mssMarston papers V095/0030

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


