BULL. GEOL. SOC. AM. 



VOL. 20, 1908, PL. 30 



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Figure 1. — Cliff South of Carres? 



where Section 6, Plate 28, was measured 



The formations given in order from base upward are Pierre shale, Trinidad sandstone, Cretaceous coal 

 measures, and post- Laramie conglomerate 



Figure 2. — Cliff one Mile North of Red River Peak, where Section 16, Plate 28, was measured 



The post-Laramie conglomerate forming the top of the cliff rests unconformably on Trinidad sandstone 



CLIFF NEAR CARRESSO CREEK AND CLIFF NORTH OF RED RIVER PEAK, NEW MEXICO 



