BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1906-1907. 153 
Prosser, ( 'harles S. 
1960. Stratigraphic geology. — Ohio State Acad. Sci., Proc, vol. 4. pt. 7 
(14th Ann. Kept.), pp. 340-348, 1906. 
Gives a general account of the progress of stratigraphic geology in the United States, 
and more particularly in the State of Ohio. 
1961. Section of the Manlius limestone at the northern end of Helderberg 
Plateau. — Jour. Geology, vol. 15, no. 1, pp. 46-51, 1907. 
Descrihes in detail the heds of the Indian Ladder section with respect to lithologic 
character, fossil contents, thickness, and other features, and discusses the nomenclature, 
position, and correlation of the various heds. 
Prosser, Mary Wilson. 
1962. A bibliography of the publications relating to the geology of Ohio other 
than those of the State geological survey. — Ohio Geol. Survey, 4th ser., Bull. 
6, pp. 235-332, 1906. 
Pugh, Griffith Thompson. 
1963. Pleistocene deposits of South Carolina. With an especial attempt at 
ascertaining what must have been the environmental conditions under which 
the Pleistocene Mollusca of the State lived. A thesis submitted to the faculty 
of Vanderbilt University for the degree of Doctor of Philosophy. Nashville, 
Tenn., 1905. 74 pp. 
Reviews previous work, describes the geographical distribution of the Pleistocene of 
the Coastal plain, and the geographic and stratigraphic relations of the Pleistocene of 
South Carolina, gives tables of South Carolina Pleistocene fossils, and discusses the 
environmental conditions under which the fauna lived. 
Pultz, John Leggett. 
1964. Mining in the Cumberland (Jap coal field. — Eng. and Min. Jour., vol. 
83, pp. 808-810, 2 figs., April 27, 1907. 
Describes the occurrence and character of the ores. 
Purdue, A. H. 
1965. Structural relations of the Wisconsin zinc and lead deposits. — Econ. 
Geology, vol. 1, no. 4, pp. 391-392, 1906. 
Notes the mode of occurrence of zinc in Arkansas, and its concentration in synclines. 
1966. A topographic result of the alluvial cone. — Indiana Acad. Sci.. Proc. 
1903, pp. 109-111, 6 figs., 1904. 
1967. Cave sandstone of the southern Ozarks. — Geol. Soc. America, Bull., 
vol. 18, pp. 251-250, 1 pi., 1 fig., 1907. Abstract: Science, new ser., vol. 25, p. 
764, May 17, 1907. 
Discusses the occurrence and mode of formation of these sandstone deposits, which 
are held to be of Ordovician age. 
1968. The phosphates of northern Arkansas. — Eng. and Min. Jour., vol. s:;, 
p. 1038, June 1, 1907. 
1969. On the origin of limestone sink-holes. — Science, new ser., vol. 26, 
pp. 120-122, July 2(5, 1907. 
1970. Developed phosphate deposits of northern Arkansas. — I T . S. Geol. 
Survey, Bull. no. 315, pp. 4(53-173, 1907. 
1971. Description of the Winslow quadrangle I Arkansas-Indian Territory |. — 
P. S. Geol. Survey, Oeol. Atlas of the IT. S., folio no. 154, pp., 4 figs., 2 maps 
and columnar-section sheet, 1907. 
Describes the topography, the occurrence, character, and relations <>f Carboniferous 
Strata, the geologic structure and history, and the mineral and water resources. 
