Manuscripts
Route used by Ervin in 1931 to climb through the Redwall
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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

Pre-Cambrian just below the Tapeats on the 1931 climbing route used by Ervin
Manuscripts
mssMarston papers P007/0804

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

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

