142 GEOLOGICAL SURVEY OF THE TERRITORIES. 



Fort Union or Great Lignite group — Continued. 



Locality. 



Description of strata. 



Coal-beds under 

 White River beds, 

 near Fort Laramie 

 and east of Rock 

 Greek. 



Laramie plains, one 

 hundred miles west 

 of Fort Laramie. 



Coal-beds of Carbon 

 and Separation, 

 Wyoming Terri- 

 tory. 



At Separation and 

 surrounding conn- 

 try. Probably same 

 at Carbon, Rock 

 Creek, Cooper 

 Creek, and Creston. 



Carbon Station 



Lignite beds east of 

 Washakie Station. 



West of Washakie, 



and in Bridger 



Pass. 

 Coal-beds east of Salt 



Wells. 

 Coal-beds o f Rock 



Springs, and east of 



Rock Springs and 



Salt Wells. 

 Henry's Fork of 



Green River. 



On St. Train's Creek, 

 east of mountains 

 in Colorado. 



Marshall Mine, Colo- 

 rado. 



Ralston Creek, near 

 Golden City, and 

 Golden City. 



Golden City.'. 



Beds under Denver, 

 Colorado. 



At exit of South 

 Platte River from 

 mountains. 



Near Colorado Springs 



Hardscrabble Creek, 

 near Canon City 

 (Canon City group). 



Near Canon City.. 



Coal-beds of Raton 

 Hills (called Raton 

 Hills group). 



Age. 



Yellow, rusty yel- 

 low, rusty brown, 

 and drab beds. 



An immense thickness 

 of sandstones and 

 clays, extending 

 from Green River 

 beds to Cretaceous 

 clays. 



Lignite (Tertiary) 



Lignite (Tertiary) 

 ...do 



...do 



Lower Eocene. 



Lower Miocene . 

 Upper Eocene . . 



Middle Miocene. 

 Middle Miocene. 



Lower Tertiary. 

 Eocene 



Lignite Tertiary . 



Eocene 



Lignite Tertiary. 



Eocene 



Lignite Tertiary 



Tertiary 



Eocene 



Eocene .. 

 Tertiary . 



Eocene 



Lower Eocene . 



Tertiary 



.do 



Authoiity. 



American Lower Lesquereux. 



Eocene. 

 Tertiary Hayden. 



Hayden . 



...do ... 

 ...do ... 



...do.... 



Lesquereux. 

 ...do 



.do 

 .do 



Hayden 



Lesquereux. 

 Havden 



.do 

 .do 



.do 



.do 



...do... 

 LeConte 



Lesquereux. 

 Hayden 



Lesquereux. 

 .. do 



Hayden. 



.do 



American Lower 



Eocene. 

 Great Lignite 



group. 



Lesquereux. 

 Hayden 



Reference. 



ReportTJ.S.Geol Sur- 

 vey of Ter., 1867- 

 '68-'69, p. 79. 



ReportTJ.S.Geol. Sur- 

 vey of Ter., 1870, 

 p. 121. 



ReportTJ.S.Geol Sur- 

 vey, 1867, '68, '69, p. 

 190. 



ReportTJ.S.Geol. Sur- 

 vey, 1870, p. 139. 



Report TJ. S. Geol. Sur- 

 vey, 1871, p. 300. 



ReportTJ.S.Geol. Sur- 

 vey, 1871, pp. 410- 

 417. 



Report U.S. Geol. Sur- 

 vey, 1873, p. 366. 



American Journal of 

 Sciences and Arts, 

 vol. vii, June, 1874. 



Report U.S.Geol.Sur- 

 vey, 1870, p. 74. 



Report U.S. Geol. Sur- 

 vey, 1871, p. 306. 



Report U.S. Geol. Sur- 

 vey, 1870, p. 74. 



Report U. S. Geol. 

 Survey, lb70, p. 71. 

 ....Do. 



Report U. S. Geol. 

 Survey, 1870, p. 58. 



Report U. S. GeoJ. 



Survey, 1867-'68 



-'69, p. 127. 

 ...Do., p. 129. 



Exploration of Smoky 



Hill Railroad route, 



1868, p. — . 

 Report U. S. Geol. 



Survey, 1871, p. 306. 

 Report U. S. Geol. 



Survey, 1867-68 



-'69, p. 134. 

 Report U. S. Geol. 



Survey, 1871, p. 306. 

 Report U. S. Geol. 



Survey, 1872, pp. 



410-417. 

 Report U. S. Geol. 



Survey, ' 1867-68 



-'09, p. 137. 

 ....Do., p. 138. 



Report U. S. Geol. 

 Survey, 1873, p. 366. 



Report U. S. Geol. 

 Survey, 1 867-' 68 

 -'69, pp. 149 to 190. 



Report U. S. Geol. 

 Snrvev, 1873, p. 366. 



Report U. S. Geol. 

 Survey, 1867-'08 

 -'69, pp. 150 to 190. 



