56 BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, [bull. 203. 
463 Lakes (Arthur). The Curtis coal mine [Colorado]. 
Mines and Minerals, vol. 21, p. 298 (J p.), 1901. 
Brief description of occurrence and character of coal near Colorado 
Springs. 
464 Cave ore deposits [Colorado]. 
Mines and Minerals, vol. 21, pp. 333-334, 1 fig., 1901. 
Describes character and occurrence of ore bodies in the San Juan 
465 - - The Cerrillos anthracite mines [New Mexico]. 
Mines and Minerals, vol. 21, pp. 341-342, 1901. 
Describes character and occurrence of coal in this region. 
466 A new coal field [New Mexico]. 
Mines and Minerals, vol. 21, pp. 375-376, 2 figs., 1901. 
Describes the geology of the region and the occurrence of coal. 
467 The turquoise mines [New Mexico]. 
Mines and Minerals, vol. 21, pp. 395-396, 1901. 
Describes occurrence of turquoise. 
468 ■ Chan lie of ore bodies with change of country rook. 
Mines and Minerals, vol. 21, p. 417, 1901. 
Discusses some phenomena accompanying ore deposition. 
469 - Peculiar geological formations of the Southern States. 
Mines and Minerals, vol. 21, p. 430, 1901. 
Contains notes on the general geology of the region. 
470 Oil fields of California. 
Mines and Minerals, vol. 21, pp. 467-470, 2 figs., 1901. 
I >escribes the general geology of southern California and t lie occurrence 
of oil. 
471 Prospecting for oil in Colorado. 
Mines and Minerals, vol. 21, pp. 481-483, I figs., 1901. 
Describes general geology and occurrence of oil in Colorado. 
472 Building and monumental stones of Colorado. 
.Mines and Minerals, vol. 22, pp. 29-30, 5 figs., 1901. 
Describes the general characters and occurrence of various building 
stones. 
473 Sedimentary building stones of Colorado. 
Mines and' Minerals, vol. 22, pp. 62-64, 5 figs., 1901. 
Describes occurrence and character of building stones from sedimen- 
tary strata. 
474 Petroleum in western North America. 
Mines and Minerals, vol. 22, pp. 78-80, 1901. 
Describes the occurrence of oil in this region. 
