BULL. GEOL. SOC. AM. 



VOL. 19, 1907, PL. 24 



FiGcr.E 1. — Texsleep Saxdstoxe in Anticline cut by North Platte River jrST above Alcova, 



Wyo.ming. Looking Solth 



Figure 2. — View Looking North out of North Platte Canyon, 5 iIiLE.s South of Alcova, 



Wyoming 



Tensleep sandstone in foreground, sinking into Red Bed valley. Canyon through antlcllTie at Alcova 



in distance 



TEN.SLEEP SANDSTONE 



