. Annual report. 1st-12th, 1867-1878. ins. From this point it circles aroundto the northeast and south, passing near the north edge of the SagePlain opposite the head of Cold Spring Canon. The canon begins at apoint near the east base of the mountains and rapidly deepens towardthe San Juan. In the middle part it is upward of 1,000 feet in depth,and the red rocks of the Jura-Trias are exposed. Between the baseof the mountains and the Montezuma Canon there is a considerablearea occupied by the Cretaceous shales. East of the canon the shalesonly occur on the higher and more protected spots. Altho
. Annual report. 1st-12th, 1867-1878. ins. From this point it circles aroundto the northeast and south, passing near the north edge of the SagePlain opposite the head of Cold Spring Canon. The canon begins at apoint near the east base of the mountains and rapidly deepens towardthe San Juan. In the middle part it is upward of 1,000 feet in depth,and the red rocks of the Jura-Trias are exposed. Between the baseof the mountains and the Montezuma Canon there is a considerablearea occupied by the Cretaceous shales. East of the canon the shalesonly occur on the higher and more protected spots. Although the country which surrounds this group of mountains isdesert-like in the extreme, there is a narrow belt about the flanks andlower slopes that abounds in vegetation. Considerable forests of pinonpines occur about the canoned region to the east and south. Largegroups of these trees are also scattered at intervals over the greaterparts of the Sage Plain. Groves of large yellow pines skirt the iuime- Gvoloc/iraf Sw\ey. Plate XF. 5®*^, ^TGtimpses into ~ih& Dolores Cafloix.
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Keywords: ., bookcentury1800, bookdecade1860, bookpublishe, booksubjectgeology
