Manuscripts
Pre-Cambrian just below the Tapeats on the 1931 climbing route used by Ervin
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234 Mile Rapid and the lower part of the climbing route used by Ervin in 1931
Manuscripts
mssMarston papers P007/0801

234 Mile Rapid and the lower part of the climbing route used by Ervin in 1931
Manuscripts
mssMarston papers V095/0055

Spring found by Ervin in 1931 after climb from inner gorge as it flows over the Tapeats formation
Manuscripts
mssMarston papers P007/0796


