74 BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1906-1907. 
Fenneman, N. M., and Gale, Hoyt S. — Continued. 
863. The Yampa coal field, Routt County, Colorado. — U. S. Geol. Survey, 
Bull. no. 297, pp. 7-81, 9 pis., 2 figs., 1906. 
Describes the geologic structure, the occurrence, character, and relations of Archean. 
Cretaceous, and Tertiary deposits, the character of the coal held, and the occurrence, 
thickness, and character of the coal seams. 
Fernekes, Gustave. 
864. The formation of Lake Superior copper. — Science, new ser., vol. 25, 
p. 589, April 12, 1907. 
865. Precipitation of copper from chloride solutions by means of ferrous 
chloride. — Econ. Geology, vol. 2, no. (5. pp. 580-584, 1907. 
Ferrier, W. F, 
Phosphate deposits in western United States. — See Weeks and Ferrier, no. 
2507. 
Finch, Grant E. 
866. A study of a portion of the Iowan drift border in Fayette County, 
Iowa.— Iowa Acad. Sci., Proc, vol. 13, pp. 215-218, 1906. 
Finlay, George I. 
867. On an occurrence of corundum and duinortierite in pegmatite in Colo- 
rado. — Jour. Geology, vol. 15, no. 5. pp. 47D-4S4, 11)07. 
868. The Gleneyrie formation and its bearing on the age of the Fountain 
formation in the Manitou region, Colorado. — Jour. Geology, vol. 15, no. (5, pp. 
586-589, 1907. 
Fisher, Cassius A. 
869. Description of the Nepesta quadrangle [Colorado]. — U. S. Geol. Survey, 
Geol. Atlas of U. S., folio no. 135. 5 pp., 2 tigs., 3 maps, 1 columnar section sheet, 
1906. 
Describes the topography and drainage, the occurrence, character, and relations of 
Cretaceous. Tertiary, and Quaternary formations, the geologic history, and - the soils, 
water, and mineral resources. 
870. Preliminary report on the geology and underground waters of the Ros- 
well artesian area. New Mexico. — U. S. Geol. Survey, W.-S. and Irrig. Paper no. 
158, 29 pp., 9 pis., 1906. 
Describes the general geology of the region and the artesian water resources. 
871. Development of the Bear Creek coal fields, Montana. — U. S. Geol. 
Survey, Bull. no. 285, pp. 269-270, 1906. 
Describes the occurrence and character of the coal beds, and the mining operations. 
872. Mineral resources of the Bighorn basin. — U. S. Geol. Survey, Bull. no. 
285, pp. 311-315, 1906. 
Describes the occurrence of coal, bentonite, gypsum, and other mineral deposits in this 
part of Wyoming. 
873. Geology and water resources of the Bighorn basin, Wyoming. — U. S. 
Geol. Survey, Prof. Paper no. 53, 72 pp., 16 pis., 1 fig., 1906. 
1 Ascribes the topography and drainage, the occurrence, character, and relations of 
pre-Cambrian, Cambrian, Ordovician, Carboniferous, Triassic, Jurassic, Cretaceous, and 
Tertiary strata and Quaternary deposits, the geologic structure and history, and the 
water and mineral resources. 
874. The Great Falls coal field, Montana.— U. S. Geol. Survey, Bull. no. 
316, pp. 161-173, 1 pi., 1907. 
