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.

A philosophical and practical essay on the gold and silver mines of Mexico and Peru : containing the nature of the ore, and the manner of working the mines, the qualities and use of quicksilver, the cleansing and refining these metals : with many useful observations concerning the assay of metals, the manner of conveying them to Europe, and remarks on the gold mines in Hungary, and those of Asia and Africa /

No Spanish ed. in: NUC pre-1956, BLC, Sabin, Palau y Dulcet (2nd ed.).

Itinerario d'Italia, o sia, Descrizione dei viaggi per le strade più frequentate alle principali città d'Italia, coll'indicazione delle distanze in poste, in miglia, in ore e minuti ; dei migliori alberghi, degli oggetti più interessanti di belle arti, antiquaria e storia naturale, delle principali produzioni e manifatture locali ... [etc.] /

Mode of access: Internet.

Report of a survey and exploration of the coal and ore lands belonging to the Allegheny Coal Company : in Somerset County, Pennsylvania ; accomppanied by maps, profiles and sections /

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.

The sedimentary carbonate-hosted giant Bayan Obo REE-Fe-Nb ore deposit of Inner Mongolia, China : a cornerstone example for giant polymetallic ore deposits of hydrothermal origin /

Mode of access: Internet.