A. C. Peale — Application of the Term Laramie. 53 



Mr. Yeateh's first conclusion,* that the name Laramie is 

 derived from the Laramie Plains, and his definition of the Lara- 

 mie Plains as extending from the Front Range to and slightly 

 beyond the North Platte River, have already been considered 

 in treating of the origin of the name on a previous page, when 

 it was also shown that Hayden was in the habit of using the 

 name in its broadest sense, comprising the entire country 

 between the Front or Laramie Range and the Wahsateh Range. 



The second conclusion 3 f that Carbon was a most important 

 locality both paleontologically and economically is undeniably 

 true ; but, although colored on the map as Laramie, the age of 

 the beds examined there was considered doubtful by King 

 and his colleagues I have already shown. It was geologically 

 considered by Hayden very much as by the members of the 

 King Survey. He says,;}: u To the geologist this entire region 

 (from Carbon to Rawlins) is one of great interest. Even up to 



the present time it is invested with much obscurity " 



" The beds are so complicated " " that it is difficult 



to unravel their relations." 



That either Hayden or King had Carbon in mind as the 

 locality of a type section of the Laramie, is apparently a pure 

 assumption on the part of Mr. Yeatch. Just as the geologists 

 of the King Survey had considerable doubt as to the geologi- 

 cal age of the beds of Carbon, although they colored them on 

 the map as Laramie, so King in his discussion of the Laramie 

 does not mention Carbon, nor does it appear to be mentioned 

 in the volume (Systematic Geology, vol. i) and the name cer- 

 tainly does not appear in the index. The work of the Geo- 

 logical and Geographical Survey of the Territories did not 

 include Carbon, which was within the limits covered by the 

 Survey of the 40th Parallel, and all the work done there by 

 Hayden and his collaborators was simply in the way of recon- 

 naissance work and of the most general character. 



The third conclusion of Mr. Yeatch§ contains three state- 

 ments that the facts scarcely warrant : first, that "It was the 

 practice of the Hayden and King surveys to name formations 

 and groups from localities where the beds were regarded as 

 typically exposed " ; second, that " the name Laramie was pro- 

 posed and adopted as an exact synonym of Hayden's Lignitic 

 as defined by him in Wyoming and Colorado," and third, that 

 " the type locality of the Laramie is Carbon on the Laramie 

 Plains." 



Mr. Yeatch himself acknowledged that " King used Green 

 River, Bridger, Uinta, Truckee, and other names without say- 



* This Journal, loc. cit., p. 19. 



f This Journal, loc. cit., p. 19. 



% Preliminary Rept. U. S. Geol. Survey of Wyoming, 1870 (1871), p. 134. 



§ This Journal, loc. cit.. p. 19. 



