U. S. GEOLOGICAL SURVEY BULLETIN 707 PLATE LXXVI 
CANYON BETWEEN DELTA AND GRAND JUNCTION 
General view looking upstream. The rocks dip to the left, away from the Uncompahgre 
Plateau or arch. The shaly rocks in the top of the canyon walls are of ee. color, 
and the massive sandstone at the base is brick-red. Photograph by Willis T. Lee. 
B. BRILLIANTLY COLORED SPUR OF THE CANYON WALL. 
One of the projecting spurs of the canyon wall ne: r Bridgeport consisting of alternating 
bands of att deo and green sak here and there bawks of yellow —— The valley 
bottom supports a fairly good growth of sage but when water i $ put on it grows almost 
any kind of crop. Photograph by Willis T. Lee. 
~y 
é. ee ED SANDSTONE. 
The aoe was once sand bank in water; the currents coming from the right 
fre ashed layer after ca er of the ode over the crest of the ba = and down on its sloping 
ront, making the cross-bedded layers. Photograph by J. K. Hillers. 
