EEGISTEE OF LOCALITIES. 5ii5 



2271. Leadville district. Fossils from Twelvemile Creek, Colorado. 

 J. Long. 



2272. Tenmile district. Thin limestone, the first on the steep cliff of Sheep Mountain, Kokomo. 



Upper part of the Weber grits formation. 

 E. Jacob. 



2273. Tenmile district. Wheel of Fortune mine, 500 feet northwest. Robinson limestone, base of 



the ilaroon formation. 

 E. Jacob. 



2274. Tenmile district. White Quail mine, 2.5 feet above the ore. Robinson limestone, base of the 



Maroon formation. 

 W. B. Pisher. 



2275. Tenmile district. Several localities in the Weber grits formation. Eagle River Peak, Kokomo 



Gulch, and Searles Gulch. 

 Cross, Emmons, and Jacob. 



2276. Tenmile district. Near the top of the Carboniferous, Eagle River Peak, Colorado. Weber 



grits formation, upper part. 

 E. Jacob. 



2277. Leadville region; Lingula shales. Iron mine fault. Weber shale, base of the Weber forma- 



tion. 



2278. Leadville region. Road to Mount Lincohi by Quartzville, near Jlilk ranch, southwest of 



Platte, Montgomery County, Colorado. Weber formation. 

 A. Lakes, September 8, 1880. 



2279. Silverton quadrangle; Hermosa formation. 'Sear Molas Lake. Upper of two thin limestones 



just above the Devonian; lowest part of the Hermosa formation. 

 A. C. Spencer. 



2280. Elk Mountain region; Maroon conglomerate. Southeast of Italian Peak. 



A. C. Peale, 1873. This locality is bed 11 of section 24 described on p. 251 of U. S. Geol. 

 Geog. Surv. Terr., [7th] Ann. Rept., for 1873, 1874. 



2281. Leadville district; Weber shales, base of Weber formation (?). Near mouth of canyon of 



Fourmile Creek. 

 A. C. Peale, 1873. This locality is bed 38 (and possibly 39) of section IS, described on p. 229 

 of U. S. Geol. Geog. Surv. Terr., [7th] Ann. Rept, for 1873, 1874. 



2282. Rico quadrangle; Hermosa formation. Sandstone Mountain section. Middle jiortion of the 



Hermosa formation. 

 E. B. Mathews, 1894. 



2283. Rico quadrangle; Hermosa formation. Sandstone Mountain section. Upper part of Hermosa 



formation. 

 E. B. Mathews, 1894. 



2284. Rico quadrangle; Hermosa formation. Fossils from baked sandy limestone, center of Rico 



dome. Horizon identical with that of certain beds occurring within a few feet of the 

 Devonian strata on the Animas River. 

 A. C. Spencer, 1899. 



2285. Sinbads Valley, Colorado, near La Sal Mountains. West side of valley, near its southern end. 



Near top of gray series below the red. Not more than 100 feet of gray shales and light- 

 colored sandstones separate this horizon from the typical Red Beds. 

 A. C. Spencer, November, 1899. 



