16 PUBLICATIONS OB^ HAYDEN SURVEY. [bull.222 



[Geology, mineralogy and niiniiij,' industry], pp. 19-2(59. 



[Report of F. V. llayden on Lignitic group, geology of eastern base of Front 

 Range, and geography and geology of Elk Mountains], i)p. 19-71; 34 

 leaves. 



Report on the geology of the northwestern portion of the Elk Range, 

 by W. H. Holmes, pp. 59-71, 12 leaves containing illustrations. 

 Report of A. C. Peale, M. D., geologist of Middle division, pp. 73-180, 20 



leaves containing illustrations. 

 Report of F. M. P^ndlich, S. N. 1)., 1874 [geologist of San Juan division], pp. 



181-240, tigs. 1-3, sections i-viii. 

 Report of Samuel Aughey, I'h. D. , The superlicial deposits of Ne])raska, pp. 

 241-269. 

 Paleontology. Report of Leo Lesquereux, pp. 271-365. 



On the Tertiary flora of the North American lignitic, considered as evidence 



of the age of the formation, pp. 275-315. 

 A review of the Cretaceous flora of North America, pp. 31()-365, pis. i-viii. 

 [Archeology], pp. 367-381. 



Report of W. H. Jackson on ancient ruins in southwestern Colorado, pp. 

 367-381, pis. i-viii. 

 Zoology. Report of '>nest Ingersoll on the natural history of the United States 



Geological and Geographical Survey of the Territories, 1874, pp. 383-410. 

 Topography and geography. Reports of Henry Gannett, S. B. Ladd, and A. D. 

 Wilson, pp. 411-496, 1 map. 

 Geographical rejjort of Henry Gannett, M. E., topographer directing Mid- 

 dle division, pp. 413^33, 1 map. 

 Topographical report of Northern division, 1874; by Story B. Ladd, M. E., 



pp. 435-442. 

 Means of communication between Denver and San Juan mines, by A. I). AVil- 



son, topographer directing, pp. 443-449. 

 Report on the topography of the San Juan country, by Franklin Rhoda, 

 assistant topographer, jip. 451-496. 

 Index, pp. 497-515. 



1875. 



Ninth Annual Report of tlie United States Geolooical and Geo- 

 graphical Survey of the Territories, embracing- Colorado and parts 

 of adjacent Territories; being a report of progress of the exploitation 

 for the year 1S75. By F. V. Hayden, United States geologist. Con- 

 ducted under the authority of the Secretary of the Interior. Wash- 

 ington: Government Printing Office. 1877. 



8°. vii, 827 pp., 10 11. unpaged, 75 pis. and maps. 



Report of F. V. Hayden, United States geologist in charge. Letter to the 



Secretary, pj). 1-28. 

 Part I. Geology, pp. 29-294, pis. i-xxii, xxiv, xxvi-xlix. 



Report of A. C. Peale, M. D., geologist of the Grand River division, 1875, 



on the Grand River district, pp. 31-101, pis. i-viii. 

 Report of F. I\L Endlich, S. N. I)., geologist of the Southeastern division, 

 1875, on the Southeastern district, pp. 103-235, pis. ix-xxii, xxiv, xxvi- 

 xxxiii. 

 Report of William II. Holmes, geologist of the San Juan division, 1875, on 



tlie San Juan district, pp. 237-276, pis. xxxiv-xlix. 

 Geological report of B. F. Mudge. Notes on the Tertiary and Cretaceous 

 periods of Kansas, pp. 277-294. 



