142 



UNITED STATES MINERAL RESOURCES 



Searight, W. V., 1967, Coal, in Mineral and water resources 

 of Missouri: U.S. 90th Cong., 1st sess., Senate Doc. 19, 

 p. 235-243. 



Simon, J. A., 1965, Illinois pioneers in coal geology research: 

 Coal Mining and Processing, v. 2, no. 8, p. 31-35. 



Spencer, F. D., 1953, Coal resources of Indiana: U.S. Geol. 

 Survey Circ. 266, 42 p. [1954]. 



Struble, R. A., Collins, H. R., and Kohout, D. L., 1971, Deep- 

 core investigation of low-sulfur coal possibilities in 

 southeastern Ohio: Ohio Div. Geol. Survey Rept. Inv. 81, 

 29 p. 



Sullivan, J. W., 1942, The geology of the Sand-Lookout 

 Mountain area, northwest Georgia: Georgia Geol. Sur- 

 vey Inf. Circ. 15, 68 p. 



Sun, S. C, Vasquez-Rosas, H., and Augenstein, D., 1971, 

 Pennsylvania anthracite refuse — a literature survey on 

 chemical elements in coal and coal refuse: Pennsylvania 

 State Univ. Spec. Research Rept. SR-83, 72 p. 



Toenges, A. L., Turnbull, L. A., Neale, A., Schopf, J. M., 

 Abernathy, R. F., and Quinn, A. W., 1948, Investigation 

 of meta-anthracite in Newport and Providence Counties, 

 Rhode Island; petrography, chemical characteristics, and 

 geology of the deposits: U.S. Bur. Mines Rept. Inv. 

 4276, 37 p. 



Trumbull, J. V. A., 1957, Coal resources of Oklahoma: U.S. 

 Geol. Survey Bull. 1042^, p. 307-382. 



1960, Coal fields of the United States, exclusive of 



Alaska — Sheet 1: U.S. Geol. Survey Map, scale 

 1:500,000. 



U.S. Bureau of Mines, 1924-1931, Mineral resources of the 

 United States [annual volumes for the years indicated] : 

 Washington, U.S. Govt. Printing Oflice. 



1932-1970, Minerals yearbooks [annual volumes for 



the years indicated] : Washington, U.S. Govt. Printing 

 Office. 



1971, Strippable reserves of bituminous coal and 



lignite in the United States: U.S. Bur. Mines Inf. Circ. 

 8531, 148 p. 



1972, Weekly coal report 2853 : Pittsburgh, U.S. Bur. 



Mines, 3 p. 



U.S. Geological Survey, 1886-1923, Mineral resources of the 

 United States [annual volumes for the years indicated] : 

 Washington, U.S. Govt. Printing Office. 



Walker, F. E., and Hartner, F. E., 1966, Forms of sulfur 

 in U.S. coals: U.S. Bur. Mines Inf. Circ. 8301, 51 p. 



Zubovic, Peter, 1966a, Physicochemical properties of certain 

 minor elements as controlling factors in their distribu- 

 tion in coal, [Chap.] 13, in Gould, R. F., ed., Coal sci- 

 ence — Am. Conf. Science, University Park, Pa., 1964: 

 Washington, D. C, Am. Chem. Soc., Advances Chemistry 

 Ser. 55, p. 211-231. 



1966b, Minor element distribution in coal samples of 



the Interior Coal Province, [Chap.] 14, in Gould, R. F., 

 ed.. Coal science — Am. Conf. Science, University Park, 

 Pa., 1964: Washington, D. C, Am. Chem. Soc., Ad- 

 vances Chemistry Ser. 55, p. 232-247. 



Zubovic, Peter, Sheffey, N. B., and Stadnichenko, Taisia, 

 1967, Distribution of minor elements in some coals in 

 the western and southwestern regions of the Interior 

 Coal Province: U.S. Geol. Survey Bull. 1117-D, 33 p. 



Zubovic, Peter, Stadnichenko, Taisia, and Sheffey, N. B., 

 1960a, Relation of the minor element content of coal 

 to possible source rocks, in Short papers in the geologi- 

 cal sciences: U.S. Geol. Survey Prof. Paper 400-B, p. 

 B82-B84. 



1960b, The association of some minor elements with 



organic and inorganic phases of coal, in Short papers 

 in the geological sciences : U.S. Geol. Survey Prof. Paper 

 400-B, p. B84-B87. 



1960c, Comparative abundance of the minor elements 



in coals from different parts of the United States, in 

 Short papers in the geological sciences: U.S. Geol. Sur- 

 vey Prof. Paper 400-B, p. B87-B88. 



1961a, Chemical basis of minor-element associations 



in coal and other carbonaceous sediments, in Short 

 papers in the geologic and hydrologic sciences: U.S. 

 Geol. Survey Prof. Paper 424-D, p. D345-D348. 



1961b, Geochemistry of minor elements in coals of the 



Northern Great Plains coal province: U.S. Geol. Sur- 

 vey Bull. 1117-A, p. A1-A58. 



1964, Distribution of minor elements in coal beds of 



the Eastern Interior region: U.S. Geol. Survey Bull. 

 1117-B, p. B1-B41. 



1966, Distribution of minor elements in coals of the 



Appalachian region: U.S. Geol. Survey Bull. 1117-C, p. 

 C1-C37. 



