A magyar korona orszagainak ásványszenei (köszenek, barnaszenek, lignitek) ... A.k.m. természettudomanyi társulattól palyadijjal jutalmazott mü. Egy átnezetes térképpel.

Mode of access: Internet.

Anthracite,

Mode of access: Internet.

Cooperative agreement /

Imprint varies.

Biennial report of the Bureau of Labor of the State of Washington.

Includes: Biennial report of Factory, Mill and Railroad Inspection, and: Biennial report of the State Inspector of Coal Mines.

Proceedings ...

Mode of access: Internet.

Women in love,

Mode of access: Internet.

Colliery guardian.

Mode of access: Internet.

Annual report.

Includes a Tentative annual report for 1949 in addition to the regular report.

Report of the commissioners.

Mode of access: Internet.

Histoire d'un centre ouvrier (les concessions d'Anzin)

Includes bibliographical references.

Illinois energy production, 1960-1977 /

Prepared by the Research Division of the Dept. of Business and Economic Development under contract with the Illinois Institute of Natural Resources.

Our reclamation future : the missing bet on trees /

"Project no. 80.057."

Problem sites : surface-mined land in Illinois /

Bibliography: p. 17-23.

Subsidence investigations over a high-extraction retreat mine in Williamson County, Illinois : final report /

"Illinois Mine Subsidence Research Program"

The economic impact analysis of R84-29 : mine-related water pollution regulations /

"Project 86/7005."