From October 9 to 12, 1939 a Sierra Club climbing team including Robinson, David Brower, Raffi Bedayn, and John Dyer, completed the first ascent of Shiprock, the erosional remnant of the throat of a volcano with nearly vertical walls on the Navajo reservation in northwestern New Mexico.
Shiprock |
Near Huygens, especially just to the east are a number of narrow ridges which appear to be the remnants of dikes, like the ones around Shiprock, New Mexico.
It was filmed primarily in the Window Rock, Chinle, Kayenta and Tuba City Police Districts, with some segments also filmed in Shiprock & Crownpoint, New Mexico.
The highway passes by two mountains considered sacred by native Americans, Ute Mountain and an extinct volcanic core named Shiprock.