Manuscripts
Graben on left bank and nearest the river in Red Lake Canyon. This graben would have permitted stock to reach the bottom of Red Lake Canyon and the river but no sign of any old trail was found. Red Lake Canyon also appears as Butler Canyon on some maps
You might also be interested in

The graben that drains into Lower Red Lake Canyon about a mile from the river
Manuscripts
mssMarston papers P006/0329

Grabens southeast of the Junction. Cyclone Canyon and Red Lake Canyon
Manuscripts
mssMarston papers P006/0332

Red Lake Canyon; Butler Canyon; Spanish Bottom. The top of the print is south
Manuscripts
mssMarston papers V007/0068


