The words "Old Spanish Trail from Santa Fe to Los Angeles" near El Vado were added in Washington and are incorrect.

The old Spanish trail crossed at Gunnison Crossing far north of this point which was barely known before 1858.

246 D.
Preliminary map of a portion of the northern part of the unknown country indicated by the blank space on Map A, at page 95, showing the course of part of Glen Canyon, the mouth of the Fremont (Dirty Devil) River, the Henry (Unknown) Mountains, and the trail of the first known party of white men to cross this area.

The Escalante River which was mistaken for the Dirty Devil enters the Colorado just above the first letter "o" of Colorado at the bottom of the map.

The Dirty Devil enters from the north at the upper right-hand side.
207 E.
Showing results of recent re-survey of part of the Grand Canyon near Bright Angel Creek by the Geological Survey with ample time for detail.