276 BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1906-1907. 
Tin— Continued. 
General — Continued. 
Alaska, Cape Prince of Wales : Fay, 
856. 
York region : Hess, 1134, 1140. 
North Carolina : Graton, 1025 ; Hess, 
1139. 
South Carolina : Graton, 1025 ; Hess, 
1139; Sloan, 2218. 
South Dakota, Black Hills : Carpenter, 
434; Sadtlor, 2112. 
Texas, Franklin Mountains : Richard- 
son, 1056. 
.United States : 2418, 2419. 
Virginia: Watson, 2493. 
Washington, Spokane : Whitman, 2568, 
2569. 
Titanium. 
United States: 2418, 2419. 
Triassic. 
Stratigraphy. 
Alaska : Brooks, 313. 
California : Smith, 2243. 
Redding quadrangle : Diller, 721. 
Colorado, Arkansas Valley : Darton, 
648. 
Ouray quadrangle* Cross ct ah, 607. 
western : Cross, 604. 
Connecticut : Rice, 2031. 
Maryland : Clark and Mathews, 488. 
Mexico : Burckhardt, 360. 
Montana, Bighorn Mountains : Darton, 
647. 
Nevada : Smith, 2243. 
New Jersey : Lewis, 1578-1580. 
New York, Staten Island : Ilollick, 
1205. 
North Carolina : Keith, 1354. 
Texas, Panhandle : Gould, 986, 987. 
Utah, eastern : Cross, 604. 
Uinta Range : Weeks, 2506. 
Wyoming, Bald Mountain and Dayton 
quadrangles : Darton, 645. 
Bighorn basin : Fisher, 873. 
Bighorn Mountains : Darton, 647. 
Cloud Peak and Fort McKinney 
quadrangles : Darton, 646. 
Devils Tower quadrangle : Darton 
and O'Hara, 656. 
Paleontology. 
Aviculidae from Zacatecas, Mexico : 
Freeh, 901. 
Cestraciont teeth : Wemple, 2526. 
Connecticut: Rice, 2031. 
Dinosaurs : Huene, 1256. 
Fish from Aspen Ridge, Idaho : God- 
dard, 972. 
Reptile, marine : Merriam, 1714. 
Western America : Smith, 2243. 
Trilobites. See Crustacea. 
Trinidad. 
General. 
Geological structure : Craig, 588 ; Ells, 
786, 787. 
Economic. 
Mineral resources : Ells, 786, 787. 
Tungsten. 
California : Anbury, 87. 
Colorado : Van Wagenen, 2425. 
Boulder County: Greenawalt, 1028; 
Lindgren, 1599. 
United States : 2418, 2419. 
Turquoise. 
New Mexico, Burro Mountains : Zalin- 
ski, 2664. 
Unconformity. 
Sedimentary overlap, types of : Gra- 
bau, 993. 
Underground water (general). See also Geysers, 
Mineral waters, and Thermal 
waters. For regional see under 
the various States. 
Artesian, significance of the term : 
Fuller, 904. 
Artesian flow, controlling factors of : 
Fuller, 916. 
Contamination of water supply : Bow- i 
man, 276. 
Deep-well drilling, 1905 : Fuller and 
Sanford, 918; Sanford, 2119. 
Fluorescein : Dole, 727 ; • Villarello, 
. 2452. 
Fluoroscope, new : Villarello, 2453. 
Fluctuations of water level in wells on 
Long Island : Veatch, 2433. 
Free water in earth's crust : Fuller, 
906. 
Hydrology investigations : Fullei*, 903, 
911. 
Movements of underground water in 
confined basins : Schultz, 2149. 
Representation on maps of wells and 
springs : Fuller, 905. 
Underflow, Arkansas Valley : Slichter, 
2215. 
South Platte Valley: Slichter and 
Wolff, 2216. 
Water in crystalline rocks : Ellis, 
780. 
Ungrava. 
General. 
Prospecting: Murray, 1780. 
Uranium. 
Colorado, Gilpin County : Tovote, 2384. 
Rio Blanco County : Gale, 923. 
southern : Fleck and Haldane, 878. 
United States: 2418, 2419. 
Utah. 
Economic. 
Annie Laurie mine, Piute County : 
Lindgren, 1595. 
Bingham, copper : Brinsmade, 302 ; In- 
galls, 1272. 
Book Cliffs coal field : Richardson, 
2045 ; Taff, 2335. 
Coal: Ritter, 2069. 
Book Cliffs: Richardson, 2045; 
Taff, 2335. 
Iron County : Lee, 1544. 
Pleasant Valley: Taff, 2337. 
Sanpete County : Richardson, 2043. 
Wasatch : Lakes, 1471. 
Weber River: Taff, 2334. 
