14 PROCEEDINGS OF THE WASHINGTON MEETING 



18S6. Some peculiarities of the local drift of the Rocky Mountains. American 



Naturalist, volume 20, pages 925-927. 

 1SS6. Remarkable extinct geyser basin in southwest Colorado. American 



Naturalist, volume 20, pages 963-965. 

 1886. The veins of southwest Colorado. American Naturalist, volume 20, 



pages 1043-1044. 



1886. Mining engineering at the University of Illinois. Transactions of the 



American Institute of Mining Engineers, volume 15. page 589. 



1S87. Supermetamorphism ; its actuality, inducing causes, and general effects. 

 Abstract. Proceedings of the American Association for the Advance- 

 ment of Science, volume 35, pages 232-233. 



1S87. Hints toward a theory of volcanism. Abstract. Proceedings of the 

 American Association for the Advancement of Science, volume 35, 

 page 233. 



1887. The geology and vein structure of southwestern Colorado. Transac- 



tions of the American Institute of Mining Engineers, volume 15, pages 

 218-265, plates 1-4, map. 



1887. The fossil fuels of Illinois and their exploitation. Engineering and Min- 

 ing Journal, volume 44, page 24, quarto. 



1887. Notes on the region north of the Vermilion Lake district in British Co- 

 lumbia. Transactions of the American Institute of Mining Engineers, 

 volume 16, pages 109-111. 



1887. Engineering relations of the Yellowstone Park. Transactions of the 

 American Institute of Mining Engineers, volume 16. page 46. 



188S. A preliminary examination of the geology of western central Arkansas. 

 Report of the Arkansas Geological Survey for 1888, volume 1. pages 

 1-320, 2 maps. 



18S9. Hot Springs formations in Red Mountain district, Colorado : A reply to 

 the criticisms of Mr. Emmons. Transactions of the American Insti- 

 tute of Mining Engineers, volume 17, pages 261-264. 



1890. A preliminary report on the geology of the central mineral region of 



Texas. First Annual Report of the Texas Geological Survey, pages 

 237-391, plate 2. 



1891. Report on the geography and mineral resources of the central mineral 



region of Texas, chiefly south of the San Saba River, north of the 

 Pedernales River, west of Burnet, and east of Menardsville and Junc- 

 tion City. Second Annual Report of the Texas Geological Survey, 

 pages 553-664, 3 maps. 

 1891. Tin in central Texas. Engineering and Mining Journal, volume 51, pages 

 117-118, quarto. 



1891. A preliminary report on parts of counties of Menard, Concho, Tom Green, 



Sutton, Schleicher, Crockett, Yalverde, Kinney, Maverick, Uvalde, 

 Edwards, Bandera, Kerr, and Gillespie, Texas. Second Report of 

 Progress of the Texas Geological Survey, pages 43-54. 



1892. Valuable experiments in vein formation. Science, volume 19, page 214. 



1894. Notes on Arizona mines. I. Silver. Engineering and Mining Journal, 



volume 57, page 103. 



1895. Notes on Arizona geology. Engineering and Mining Journal, volume 60, 



page 369. 



