Author's Catalogue. 391 
SMITH, E. A, 
Cement resources of Alabama. (IJuU. 225, U. S. A. Geol. Sui., 
pp. 424-448, 1904.) 
SMITH, G. O. 
Quartz veins in Maine and Vermont. (Bull. 22.'.. V. S. CltMil. Siir.. 
pp. 81-89, 1904.) 
SMITH, H. L. (and P. S.) 
The copper deposits of Orange county, Vermont. (Eng. Min. 
Jour., vol. 77, Apr. 28, 1904, p. 677.) 
SPENCER, A. C. 
The Juneau gold belt. (Bull. 225, U. S. Geol. Sur., pp. 28-43, 1904.) 
SPURR, J. E. 
Preliminary report on the ore deposits of Tonapah. (Bull. 225, U. 
S. Geol. Sur., pp. 89-111, 1904.) 
SPURR, J. E. 
Ore deposits of the Silver Peak quadrangle. (Bull. 225, U. S. 
Geol. Sur., pp. 111-118, 1904.) 
SPURR, J. E. 
Notes on the geology of the Gold-field district. (Bull. U. S. Geol. 
Sur., pp. 118-120, 1904.) 
SPURR, J. E. 
Silver Peek region, Nevada. (Eng. Min. Jour., vol. 77, May 12, 
1904, p. 759.) 
SPURR, J. E. 
Coal deposits between Silver Peak and Candelaria, Esmeralda 
county. (Bull. 225, U. S. Geol. Sur., pp. 289-293, 1904.) 
SPURR, J. E. 
Alum deposit near Silver peak. Esmeralda county. (Bull. 225, 
U. S. Geo!. Sur., pp. 501-503, 1904.) 
STEVENSON, ROBERT. 
The deposition of ores from an igneous magma. (Eng. Min. Joui., 
vol. 77, May 12, 1904, p. 756.) 
STONE, R. W. 
The Elders Ridge coal field. (Bull. 225, U. S. Geol. Sur., pp. 311- 
325, 1904.) 
STONE, R. W. 
Oil and gas fields of eastern Greene county. (Bull. 225, U. S. 
Geol. Sur.. pp. 396-413, 1904.) 
STOSE, G. W. 
Barite in southern Pennsylvania, and pure limestone in Berkelc;- 
county, We.st Virginia. (Bull. 225, U. S. Geol. Sur., pp. 515-518, 1904.) 
TARR, R. S. 
Hanging valleys in the Finger Lake region of central New YorK. 
(Am. Geol., vol. 33, May, 1904. pp. 271-291.) 
