EXTINCT AND EXISTING GLACIERS OF COLORADO 73 



Hayden, F. v., Geological and Geographical Atlas of Colorado and Portions of 



Adjacent Territory, U.S. Geol. and Geog. Surv. Terr. (Hayden Survey), 



Plates XII, XIII, XIV, XV, XVI, 1877. Includes some then known 



moraines. 

 , "Report of F. V. Hayden, U.S. Geologist," Eighth Ann. Kept. U.S. Geol. 



and Geog. Surv. Terr., for 1874, pp. 1-68, 1876. 

 Henderson, Junius, "Arapahoe Glacier in 1903," Journ Geol., Vol. XII, pp. 



30-33, 1904. 



, "Arapahoe Glacier in 1905," Journ. Geol., Vol. XIII, p. 556, 1905. 



, "Extinct Glaciers of Colorado," Univ. Colo. Sttidies, Vol. Ill, pp. 39-44, 



1905. 

 , "A Colorado Glacier," Harper's Monthly, Vol. CXII, pp. 609-14, 1906. 



Reviewed in Review of Reviews, March, 1906, p. 375. 

 , "Scientific Expedition to Northwestern Colorado in 1909. I. Itinerary, 



Topography and Geology" Univ. Colo. Studies, Vol. VII, pp. 101-12, 1910. 



[See especially pp. iio-ii.] 

 HiLGARD, E. W., "The Causes of the Glacial Epoch," Tenth Intern. Congr. Geol. 



Mexico session, pp. 431-36, 1907; Science, N.S., Vol. XXV, pp. 350-54, 1907. 

 Hills, R. C, "Extinct Glaciers of the San Juan Mountains, Colorado," Proc. 



Colo. Sci. Sac, Vol. I, pp. 39-46, 1883 ; Amer. Journ. Sci., 3d ser.. Vol. XXVII, 



pp. 391-96, 1883. 

 Hole, Allen D., "Glacial Geology," Engineer Mountain Folio, No. lyi. Geologic 



Atlas of the United States, U.S. Geol. Surv., pp. 62-69, 1910- 

 Howe, Ernest, "Glacial Phenomena in the San Juan Mountains," Science, N.S., 



Vol. XXIII, pp. 306-7, 1906. 

 , Land Slides in the San Juan Mountains, Colorado, U.S. Geol. Surv., Prof. 



Paper No. 67, 1909. [Explains some deposits resembling glacial deposits.] 

 , See also under Cross and Howe. 



Howe, Ernest, and Cross, Whitman, " Glacial Phenomena in the San Juan 



Mountains, Colorado," Bull. Geol. Soc. Amer., Vol. XVII, pp. 251-74, 1906. 

 Irving, John Duer. See under Emmons and Irving. 

 Johnson, Willard D., "The Work of Glaciers in High Mountains," Science, 



N.S., Vol. IX, pp. 1 1 2-13, 1899. 

 King, Clarence, Systematic Geology, U.S. Geol. Surv. of 40th Parallel (King 



Survey), Vol. I, 1878. [Especially pp. 467-69.] 

 Lakes, Arthur, "Glacial Placer Beds on the Flanks of the Mosquito Range, 



South Park, Colorado," Mines and Minerals, Vol. XXII, p. 469, 1902. 

 LeConte, Joseph, Elements of Geology, 4th ed., D. Appleton & Co., New York, 



1901. [Contains photo of Hallett Glacier, borrowed from Chapin.] 

 Lee, Willis T., "The Glacier of Mount Arapahoe, Colorado," Journ. Geol., Vol. 



VIII, pp. 647-54, 1900. 



