Manuscripts
Middle part of climb route used by Ervin in 1931 to escape the inner gorge
You might also be interested in

Middle part of the climbing route used by Ervin in 1931 to escape the inner gorge above 234 Mile Rapid
Manuscripts
mssMarston papers V095/0056

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

