Uepks] PALEONTOLOGY, PETROLOGY, AND MINERALOGY, 1904. 79 
Lawson (Andrew C). 
1. The geomorphogeny of the upper Kern basin. 
Cal. Univ., Dept. Geol., Bull., vol. 3, pp. 291-376, pis. 31-45, 1904. 
Describes the occurrence and general petrographic characters of the rocks and 
the glaciation and physiographic features of the region, and discusses the 
origin of the latter. 
, The orbicular gabbro at Dehesa, San Diego Co., California. 
Cal. Univ., Dept. Geol., Bull., vol. 3, pp. 383-396, 1 pi., 1904. 
Describes the general geology of the region, the occurrence of the orbicular 
gabbro and its petrographic characters and composition. 
e Couppey de la Forest (Max). 
.. Quelques grottes des Etats-unis d'Amerique. 
Spelunca, t. 35, no. 35, pp. 3 (117)-21 (135), 2 figs., 1904. 
Describes Mammoth and Colossal caves in Kentucky, Wyandotte Cave in 
Indiana, and Wind Cave and Grand Cavern in Colorado. Includes some 
account of the Carboniferous formations in which the caves occur. 
liee (Willis T.). 
The underground waters of Gila Valley, Arizona. 
U. S. Geol. Surv., Water-Supply and Irrigation Paper no. 104, 68 pp., 5 pis., 
9 figs., 1904. 
Includes sections of wells showing thickness and character of strata passed 
through. 
Age of the Atlantosaurus beds. 
Abstract: Geol. Soc. Am., Bull., vol. 14, pp. 531-532, 1904. 
See no. 785 of the U. S. Geol. Surv., Bull. no. 240. 
See Fairchild (H. L.), 3. 
^effingwell (E. D. K.), Capps (S. R.) and. 
Pleistocene geology of the Sawatch Range, near Leadville, Colo 
See Capps (S. R.) and Leffingwell (E. D. K.), 1. 
jeith (Charles Kenneth). 
Summaries of pre-Cambrian literature for 1902-1903. 
Jour. Geol., vol. 12, pp. 52-62, 161-176, 1904. 
The Lake Superior iron region during 1903. 
U. S. Geol. Surv., Bull. no. 225, pp. 215-220, 1904. 
Describes the geologic occurrence of the iron ore deposits in the different dis- 
tricts of the Lake Superior iron region. 
>. Iron ores in southern Utah. 
U. S. Geol. Surv., Bull. no. 225, pp. 229-237, 1904. 
Describes distribution, geologic relations, and chaiacter of the iron ores and 
discusses their origin. 
Lake Superior iron region in 1903. 
Mg. World, vol. 21, pp. 198-200, 3 figs., 1904. 
Includes observations on the general geology and the occurrence and char- 
acter of the iron-ore deposits. 
>. Rock cleavage. 
U. S. Geol. Surv., Bull. no. 239, 21t> pp., 27 pis., 1905. 
