(142) 7/28/57 - to Big Bend Park Coll. 7/28/57/1 - 2% So. of Marthas Ellen Rock upper mail zone; Orbitolina terana. 7/30/57 Collection 7/30/57/1 - Light gray shale beneath fresh water cl. in ripian between Palomby & Sturg Obs about 26 miles East Alpine. Tuff dy. Escalrich Cliffs (Chp. Tex. Bull ?) - They are now covered age to Houston Point tuff - signifier Etex #1 Big Bend Guide Book Collection 7/30/57/2 - Is part of fresh water sequence above. 8 (part) Sect. 8 (143) 7/31/57 [see p. 7 + 135,+ Section 20, (cont) - dip 10° NW P. 96# No. 2 11) Covered, 30', probably gray-brown shale for most part 12) Calcareous, greenish orange-brown weathering, poorly sorted at base, includes dark patches; wt. green quartz sand, Brach Crenoid & fusuline frag. The lower part ex near a granular or fine pitted conglomer 4" becomes well sorted. Collection 7/31/57/1 Wood frags common, bryozoans common. slightly muddy upper member (3'1/2') 13) Covered, 13', probably gray shale 14) Gray shale, with brown tinge: Collection 7/31/57/2; 5' 15) Calcareous, like #12; but conglomerate larger, 4'1/2", becomes better sorted (Coll. 7/31/57/3) and finer in upper 4"-5" flat top surface 16) Covered, 11', probably mostly gray shale