BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1906-1907. 189 
Van Wagenen, H. R. 
2425. Tungsten in Colorado. — Colorado School of Mines, Bull., vol. 3, no. 2, 
pp. 138-169, 2 figs., January, 1906. 
Includes notes on the occurrence In Colorado of ores containing tungsten. 
Vaux, George, and Vaux, William S. 
2426. Les variations periodiques des glaciers, 1905. British Columbia and 
Alberta.— Zeitschr f. Gletscherkunde, Bd. 1, Heft 3, p. 180, 1906. 
Gives a short account of the condition in 1905 of the glaciers of British Columbia 
and Alberta. 
2427. Observations made in 1906 on glaciers in Alberta and British Colum- 
bia.— Philadelphia Acad. Nat. Sci., Proc, vol. 58, pp. 568-579, 5 pis., 1907. 
2428. Observations made in 1907 on glaciers in Alberta and British Colum- 
bia.— Philadelphia, Acad. Nat. Sci., Proc, vol. 59, pt. 3, pp. 560-563, 1907. 
Vaux, William S. 
2429. Modern glaciers: their movements and the methods of observing 
them.— Philadelphia, Eng. Club, Proc, vol. 24, no. 3, pp. 259-283, 13 figs., July, 
1907. 
Veatch, Arthur C. 
2430. On the human origin of the small mounds of the lower Mississippi 
Valley and Texas. — Science new ser., vol. 23, pp. 34-36, January 5, 1906. 
Describes character and occurrence of these mounds and states objections to con- 
sidering them of human origin. 
2431. Long Island water resources. — Supplement to the Taxpayer [Brook- 
lyn, N. Y.J, April 21, 1906. 15 pp., 6 figs. 
An account of the geologic structure and history of Long Island and its underground 
water resources. 
2432. Age and type localities of the supposed Jurassic fossils collected north 
of Fort Bridger, Wyoming, by Fremont in 1843. — Am. Jour. Sci., 4th ser., vol. 
21, pp. 457-460, June, 1906. 
2433. Fluctuations of the water level in wells, with special reference to Long 
Island, New York.— IT. S. Geol. Surv., W.-S. and Irrig. Paper no. 155, 83 pp., 
9 pis., 17 figs., 1906. 
2434. Outlines of the geology of Long Island [New York]. — U. S. Geol. 
Survey, Prof. Taper no. 44, pp. 15-52, 10 pis., 20 figs., 1906. 
Describes the geologic structure, the occurrence, character, and relations of Creta- 
ceous, Tertiary, and Quaternary deposits and the geologic history of Long Island. 
2435. Underground water conditions of Long Island. — U. S. Geol. Survey, 
Prof. Paper no. 44, pp. 53-85, 9 pis., 16 figs., 1906. 
2436. Geology and underground water resources of northern Louisiana and 
southern Arkansas. — IT. S. Geol. Survey, Prof. Paper no. 46, 422 pp., 51 pis., 
33 figs., 1906. 
Describes the geologic history and structure, the occurrence, character, and relations 
of Cretaceous, Tertiary, and Quaternary formations, the general underground water 
conditions and principal water-bearing horizons, and the underground water prospects 
jby counties. 
2437. Coal and oil in southern Uinta County, Wyo.— U. S. Geol. Survey, Bull. 
no. 285, pp. 331-353, 3 pis. (maps and sections), 1906. 
Describes the stratigraphy and structure of the area and the occurrence, character, and 
geologic relations of coal beds and of petroleum. 
2438. Geology and underground water resources of northern Louisiana with 
notes on adjoining districts.— Louisiana. Cool. Survey, Bull. no. 4, 209 pp., 26 
pis., IS tigs., 1906. 
This paper is made up of excerpts from Professional Taper no. 46 of the U. S. Geo- 
logical Survey. See no. 2436. 
