106 BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1906-1907. 
Johnson, Douglas Wilson — Continued. 
1305. A recent volcano in the San Francisco Mountain region, Arizona.— 
Philadelphia, Geog. Soc, Bull., vol. 5, no. 3, pp. 6-11, 3 pis., 3 figs., July, 1907. 
Describes a lava flow of recent origin. 
1306. Current notes on land forms: River terraces in Vermont. — Science, 
new, ser., vol. 25, pp. 71-72, January 11, 1907. 
1307. River capture in the Tallulah district, Georgia. — Science, new ser., 
vol. 25, pp. 428-432, March 15, 1907. 
Discusses drainage changes in the region of the upper Savannah River. 
1308. Current notes on land forms: A peneplain in the Grand Canyon dis- 
trict. — Science, new ser., vol. 26, pp. 837-838, December 31, 1907. 
Johnson, L. C. 
Summary of the underground water resources of Mississippi. — See Crider and 
Johnson, no. 599. 
Johnson, R. D. O. 
1309. Tennessee phosphate. — Eng. and Min. Jour., vol. 80, pp. 204-207, Au- 
gust 5, 1905. 
Gives notes upon the geology pf the phosphate-producing area, and describes the 
origin, occurrence, and character of the phosphate deposits. 
1310. A unique lead deposit. — Eng. and Min. Jour., vol. 81, p. 794, 1906. 
Gives notes upon the occurrence and character of a deposit of lead ore in Madisou 
County, Mo. 
Johnson, Woolsey McA. 
1311. The Kelly mine, New Mexico, and treatment of its ores.— Min. World, 
vol. 27, pp. 267-269, 2 figs., August 17, 1907. 
Includes notes on the local geology and the occurrence of the lead-zinc ores. 
Johnston, Robert A. A. 
1312. [Report on] work in Charlotte County. X. B. — Canada, Geol. Survey, 
Sunmi. Rept. for 1905, pp. 117-118, 1906. 
1313. Surveys on parts of the proposed route of the Transcontinental Rail- 
way in New Brunswick. — Canada Geo]. Survey, Summ. Rept. for 1906, pp. 127- 
130, 1906. 
Gives notes on the geology of the region. 
1314. The Chambord meteorite.— Oil ;iwa Xa turn list. vol. 20, no. :i, p. 51, 
June, 1906. 
Gives data in regard to the occurrence and surface characters of (his meteorite from 
Quebec. 
Johnston, W. A. 
1315. [Report on the geological survey of] the Peterborough sheet. — Canada. 
Geol. Survey, Summ. Rept. for 1905, pp. 92-94, 1906. 
Gives various data in regard to the geology and mineral resources of the area. 
1316. Peterborough, Prince Edward, and Simcoe sheets.— Canada, Geol. Sur- 
vey, Summ. Rept. for 1906, pp. 124-126, 1906. 
Gives notes on the geology of the area. 
Jones, Charles Colcock. 
1317. Phosphate rock in Utah, Idaho, and Wyoming. — Eng. and Min. Jour., 
vol. 83, pp. 953-955, 6 figs., May 18, 1907. 
Jones, F. O. 
1318. Glacial rock sliding.— Jour. Geology, vol. 15, no. 5, pp. 485-187, 1 fig.. 
1907. 
1 (escribes an occurrence of rock displacement due to ice pressure near Elmira, New- 
York. 
