Manuscripts
Some of the rapids are unnavigable. In such cases, as pictures here, the boats are carried around them by portage
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Portage of Freeman's boat around a low bridge on the Alamo River
Manuscripts
mssMarston papers V103/0181

Portage of Freeman's steel boat around the intake dam at Glendive
Manuscripts
mssMarston papers V130/0121

Portage of Caltech boat at Vulcan Rapid. Frank Dodge is on the port side of the boat. Owen Clark, Merrill Spencer, and Ian Campbell are inshore
Manuscripts
mssMarston papers V084/0058


