Rohn, Oscar.

1898-1899

Geologist (with military?), went into Tanana, 1899. Powell, Trailing, p. 144; “reckless undertaking” of crossing the Wrangell icefield with McNear in 1899. Powell, Trailing, p. 265, Rohn report in Abercrombie 1900, First party to go through Keystone Canyon on the Trans-Alaska Military Road in 1899. In Abercrombie 1900, p. 62.