SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOL. 123, NO. 7, PL. 1 



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View at T,.m1 vt-rtLl.iate loealiU, looking ^^est. slic)v\ing thin-bedded, reddish- 

 brown, silty and sandy clays in the lower part of the red conglomerate at Guanajuato. 

 Beds trend northwest and dip 35° southwest. 



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