524 CARHONIKKKonS FORMATIONS AND KAUNAS oK COI.ORADO 



22ri4. Lciulvillc district. Little KUa Hill, Uiko County, ( oln. Wchcr Innmilinn. 

 linmson. 



2255. Leailville district. Several localities in ITocisier Pass. I'mliaMy Inun llic Weber furmation. 

 A. Lakes, September 8, l.HSO. 



2256. Leadville district, llill beyond Dyemiine. Horizon nneerlain. 

 Rronson. 



22."i7. Leadville district. Two localities in Horseshoe Gulch, lUU and 150 feet, respectively, above 

 the Leadville porphyry. Probably from the Weber shales at the base of the Weber 

 formation. 

 Cross and Emmons, August 19, 1880. 



2258. Leadville district. Horseshoe Gulch, Park County, Colo. Second series of black shales, 50 



feet above fossiliferous limestone. Weber shales, base of the Weber formation. 

 S. F. Emmons, August 17, 1880. 



2259. Leadville district. Horseshoe Gulch, Park County, Colo. Several localities in upper fossil- 



iferous shale near forks of creek. Probably from the Weber formation. 

 A. Lakes, August 21, 1880. 

 2200. Tenniile district. Robinson mine, Kokomo. Robinson limestone, base of the Maroon 



formation. e 



E. Jacob. 



2261. Tenmile district. Below the Robinson mine. Robinson limestone, base of the Maroon 



formation. 

 E. Jacob. 



2262. Leadville district. Sacramento (4ul<'h, head of North Fork. Dark limestone in sandstone, 



Weber formation, middle part. 

 Whitman Cross, September 12, 1880. 

 226.S. Leadville district. Head of Big or North Fork of Sacramento Gulch. Probably near middle of 

 Carboniferous sandstone belt. Weber formation, middle part. 

 S. F. Emmons, September 12, 1880. 



2264. Leadville district. Two localities in the Weber formation on Empire Hill, Lake County, Colo. 

 S. F. Emmons. 



2265. Leadville district. Empire Hill, Lake County, Colo. Limestone 300 feet thick, above Middle 



Carboniferous sandstone. Weber formation. 

 Whitman Cross, September 20, 1880. 



2266. Leadville district. Head of North Fork of Weston Gulch, Lake County, Colo. Weberformation. 

 Whitman Cross, September 20, 1880. 



2267. Leadville district. Fossils from two localities in the black shale and limestone, the one in 



Empire Gulch, the other in AVeston Gulch. Weber shale, base of the Weber formation. 

 Cross and Emmons, September 20, 1880. 



2268. Leadville district. Head of north fork of Weston Gulch, Lake County, Colo. Weberformation. 

 A. Lakes. 



2269. Leadville district. From two localities probably in the upper part of the Weber formation. 



Near Beaver Creek, Park County, Colo. 

 A. Lakes, September 11, 1880. 



2270. Leadville district. Upper part of the belt of black limestone on the ridge north of Silverheels 



Mountain, Park County , Colo. Base of the Maroon formation. 

 S. F. Emmons, September 8, 1880. 



