88 BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1906-1907. 
Grout, Frank F. — Continued. 
1050. Cannel coal in northern Illinois. — Illinois Slate Geol. Survey, Bull, 
no. 4, pp. 197-198, 1907. 
[Oil fields of] Randolph County [Illinois].— See Blatchley, no. 245. 
Guerra, Manuel Fernandez. 
1051. SoluciOn a las cuestiones tecnico-geologicas, propuestas por el Sr. 
Lie. D. Luis Mendez, presidente de la Academia de jurisprudencia y legislaci6n, 
sobre si son denunciables los mantes de carbon de piedra y los depositos de 
petroleo que existan en terrenes de propiedad particular. — Soc. Geol. Mexicana, 
Bol., t. 2, pp. 87-110, 1906. 
Includes a discussion of the occurrence of coal and of petroleum. 
Guild, F. N. 
1052. Notes on some eruptive rocks in Mexico. — Am. Jour. Sci., 4th ser., 
vol. 22, pp. 159-175, 6 figs.. August, 1906. 
Describes the occurrence, character, and chemical composition of some eruptive rocks 
from central Mexico. 
1053. The composition of molybdite from Arizona. — Am. Jour. Sci., 4th ser., 
vol. 23, pp. 455^56, June, 1907. 
1054. Coon- Mountain crater. — Science, new ser., vol. 26, pp. 24-25, July 5, 
1907. 
Discusses the origin of the depression so named. 
Gulliver, F. P. 
1055. Brewsters Neck, Connecticut. — Abstract: Science, new ser., vol. 24, 
pp. 368-369, September 21, 1906. 
Describes a glacial deposit of water-laid sand and gravel. 
1056. Ice present during the formation of glacial terraces. — Abstract: 
Science, new ser., vol. 25, pp. 770-771, May 17, 1!>07. 
1057. The American Association for the Advancement of Science. Summer 
meeting, Section E — Geology and geography. — Science, new ser., vol. 26, pp. 
397-404, September 27. 1!>(>7. 
Describes the excursions made. Includes notes on the geology of the places visited. 
Gives abstracts of papers presented. 
1058. Brewsters Neck, Connecticut. — Abstract: Am. Assoc. Adv. Sci., Proc, 
vol. 56-57, pp. 268-269, 1907. 
Discusses the occurrence and mode of formation of certain glacial deposits. 
Gunther, C. G. 
The White Knob copper deposits, Mackay, Idaho. — See Kemp and Gunther, 
no. 1372. 
Gwillim, J. C. 
1059. Western coal resources. — Canadian Min. Jour., vol. 28,. no. 3 (new 
ser., vol. 1, no. 1), pp. 16-18, March 15, 1907. 
Haanel, Eugene. 
1060. Report of the superintendent of mines. — Canada, Dept. of the Interior, 
Ann. Kept., pt. 8, pp. 3-10, 1907. 
Haddon, R. W. 
1061. Zinc mining in New Mexico. — Eng. and Min. Jour., vol. 81, pp. 845- 
846, 2 figs., May 5, 1906. 
Gives notes upon the geology of the Magdalena Range, New Mexico, and the occur- 
rence of the ores yielding silver, lead, zinc, and copper. 
