Manuscripts
Middle part of the climbing route used by Ervin in 1931 to escape the inner gorge above 234 Mile Rapid
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Middle part of climb route used by Ervin in 1931 to escape the inner gorge
Manuscripts
mssMarston papers P007/0803

The break in the Tapeats providing escape from the inner gorge at 234 Mile Rapid and probable route used by Ervin in 1931
Manuscripts
mssMarston papers V095/0052

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

Climbing route out of inner gorge just below the Tapeats as used by Ervin in 1931
Manuscripts
mssMarston papers V095/0053

234 Mile Rapid and the lower part of the climbing route used by Ervin in 1931
Manuscripts
mssMarston papers P007/0801

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