Geology and ore deposits of Mesa VI Lukachukai District, Arizona /

"August 1, 1951 [Site Issuance Date]."

Education and research in agriculture and home economics in the United States, Supplementing exhibit of the States Relations Service, United States Department of Agriculture at the Brazil centennial exposition, Rio de Janeiro, Brazil, 1922-1923.

Report prepared for the Commission of the United States of America to the Brazil centennial exposition.

The geology and ore deposits of Phoenix, Boundary District, British Columbia,

Mode of access: Internet.

Geology and ore deposits of the Stockton and Fairfield quadrangles, Utah /

At head of title: United States Department of the interior.

Ore-deposits : a sequel to the 2d ed. of "The genesis of ore-deposits" /

Bibliography: p.837-907.

John W. Gould's private journal of a voyage from New York to Rio de Janeiro; together with a brief sketch of his life, and his occasional writings,

Mode of access: Internet.

In the matter of United Steelworkers of America-CIO and various steel and iron ore companies : case no. D-18-C.

"New York, N.Y. February 13, 1952"--V. 3.

The ore deposits of South Africa : with a chapter on hints to prospectors /

pt. I. Base metals.--pt. II. The Witwatersrand and Pilgrimsrest goldfield and similar occurrences.

A study of minimum rate and increment differentials in steelworker-organized plants of companies, in the basic steel, pig iron, and iron ore industries, and in other major companies with 2,500 or more employees in steelworker-organized units in the United States and Canada for the three contract years 1956, 1957, 1958, showing A. remaining differentials, B. reductions in and elimination of differentials, C. increases in differentials.

Mode of access: Internet.

In the matter of United Steelworkers of America-CIO and various steel and iron ore companies : case no. D-18-C, appendix to a guaranteed wage plan for the workers in the steel industry /

"Union exhibit no. 11A"--Cover.

Metalliferous black shales and related ore deposits : program and abstracts : 1988 meeting of the United States Working Group of International Geological Correlation Program Project 254 /

Mode of access: Internet.

A. Geology and mineral paragenesis of the Pea Ridge Iron Ore Mine, Washington County, Missouri : origin of the rare-earth-element- and goldbearing breccia pipes /

Includes bibliographical references.

Parallel photographs of the spectra of the sun, of iron, and of iridium, from the line (H) to near the line (D), in six sections. Also separate photographs of the spectrum of titanic iron ore, in six sections.

Half-title. Reprinted from the Monthly notices of the Royal astronomical society, vol.XLIX, no.7.

Geology and ore deposits of the Afterthought Mine : Shasta County, California.

Mode of access: Internet.

Raccolta di melodrammi serj scritti nel secolo XVIII ...

Mode of access: Internet.