UNITED STATES GEOLOGICAL SURVEY. 
THE GRAND CANON DISTRICT, ATLAS SHEET TfX 
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Upper View looking east -Lower View looking south -The two Views are eonlinuou.s.The East Kaibah • The Marble Canon is seen in the middle distance and the Echo Cliffs in. the background.- The Trias sic 
Monocline is immediately in front of the observer carrying die same geological horizon on which he Cliffs terminating the Paria Plateau are seen in the background, on the ectremeleft of the upper ’Rw 
stands down to the platform 2.400 to 3000 feel below. 
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