FIGURE 2.-Views of the Marathon Basin from the escarpments on the east and west. (See also p1.1, A, a view of the basin from the top of Horse Mountain.) A, View from summit of Housetop Mountain south and southwest across Marathon Basin. On the left and in the background are the eastern and southern bordering escarpments of Cretaceous limestone. TH, Tres Hermanas Mountain; SC, Sierra del Carmen; CM Chisos Mountains; TP, Twin Peaks; HM, Horse Mountain; SP, Santiago Peak. (Compare pl. 1, B, a view of Housetop Mountain from the plains to the south.) B, View from summit of Del Norte Mountain 2 miles north of Del Norte Gap, looking northwest across Marathon Basin. The Glass Mountains form the skyline on the left. RR, Roberts Ranch; PH, Payne Hills; IM, Iron Mountain; LM, Leonard Mountain M, Marathon; Rh, Rock House Gap; SS, Sunshine Springs.

Figure txu-oclc-6445288-b-009-f-02
FIGURE 2.-Views of the Marathon Basin from the escarpments on the east and west. (See also p1.1, A, a view of the basin from the top of Horse Mountain.) A, View from summit of Housetop Mountain south and southwest across Marathon Basin. On the left and in the background are the eastern and southern bordering escarpments of Cretaceous limestone. TH, Tres Hermanas Mountain; SC, Sierra del Carmen; CM Chisos Mountains; TP, Twin Peaks; HM, Horse Mountain; SP, Santiago Peak. (Compare pl. 1, B, a view of Housetop Mountain from the plains to the south.) B, View from summit of Del Norte Mountain 2 miles north of Del Norte Gap, looking northwest across Marathon Basin. The Glass Mountains form the skyline on the left. RR, Roberts Ranch; PH, Payne Hills; IM, Iron Mountain; LM, Leonard Mountain M, Marathon; Rh, Rock House Gap; SS, Sunshine Springs.

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Professional Paper 187 GEOLOGY OF THE MARATHON REGION, TEXAS
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