BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1906-1007. Ill 
Kennedy, Stewart. 
1374. Lignite of northeastern Wyoming. — Mines and Minerals, vol 27, 
no. 7. pi>. 294-297, 6 figs., February, 1907. 
Kerr, H. L. 
1375. Exploration in Mattagami Valley. — Ontario, Bur. Minos. Kept., 1906, 
vol. 15, pt. 1. pp. 116-135, 2 figs., 1906. 
Includes an account of the economic resources, the geology and petrology, and evidences 
of glaciation. 
Keyes. Charles Rollin. 
1376. | Notes on the classification of American Carboniferous deposits]. — 
Jour. Geology, vol. 14, no. 1, pp. 71-76, 1906. 
1377. Carboniferous formations of New Mexico. — Jour. Geology, vol. 11. 
no. 2, pp. 147-154, 1906. 
Describes the extent, character, and occurrence of the Carboniferous deposits of New 
Mexico and discusses their correlation with those of the Mississippi Valley and of the 
Appalachian region. 
1378. Orotaxial significance of certain unconformities. — Am. Jour. Sci., 4th 
ser., vol. 21, pp. 296-300, 2 figs., April, 1906. 
This discussion is based mainly upon the stratigraphic succession exhibited in New 
Mexico. 
1379. The Dakotan series of northern New Mexico. — Am. Jour. Sci.. 4th 
ser., vol. 22, pp. 124-128, August, 1906. 
1380. Geological section of New Mexico. — Science, new ser., vol. 23, pp. 
921 922, June 15, 1906. 
1381. Use of the term Permian in American geology. — Science, new ser., 
vol. 24, pp. 181-182, August 10, 1900. " 
1382. Carboniferous coal measures in the southwest. — Ens. and NI in. .Jour.. 
vol. 81, p. 1129. June 16, 1906. 
Calls attention to coals of Carboniferous age in New Mexico and describes briefly the 
geology of these deposits. 
1383. Physiography of New Mexico. — Jour. Geography, vol. 5, no. 6, pp. 251 
256, 1 tig.. 1906. 
Describes the physiographic provinces of New Mexico, the location of various topo- 
graphic features, and the drainage system. 
1384. Lime ('reek fauna of Iowa in southwestern United States and north- 
ern Mexican region. — Iowa Acad. Sci., Proc, vol. 1."). pp. 197-198, 1906. 
Describes the occurrence of a Devonian fauna at Lake Valley. New Mexico, and gives 
a list of the forms identified. ' 
1385. Alternation of fossil faunas.— Iowa Acad. Sci.. Proc, vol. 13, pp. 199- 
201, U mm;. 
Describes instances of alternations of fossil faunas and discusses their bearing upon 
questions of con-elation of strata. 
1386. Mescal Canyon coal field. New Mexico. — Eng. and Min. Jour., \<>1. 83, 
1). 957, 2 figs., May is. L907. 
Describes the geology of the coal beds, and the character of the coal. 
1387. Volcanic craters in the Southwest. -Geol. Soc. America, Bull., vol, 
17, pp. 721-723, 5 pis., 1 fig., 1907. 
1388. Tertiary terranes in New Mexico.— -Abstrad : Geol. Soc. America, 
Bull., vol. 17 ; p. 725, 1907. 
1389. Physiographic significance of the Mesa de Maya, [owa Acad. Sci., 
Proc, vol. 11. pp. 221-222, 1 fig., L907. 
Describes physiographic changes that have taken place In the area along the southern 
boundary of Colorado. 
