Bulletin: Volumes 108-113

The Reserve Base of Bituminous Coal and Anthracite for Underground Mining in the Eastern United States

Minerals Yearbook: Volume 1

Contributions to the Data on Theoretical Metallurgy: Volume 14

Technical Paper: Issue 336

International Petroleum Quarterly

Mineral Resources of the United States: Part 2

Technical Paper - Bureau of Mines: Issues 580-590

Pozzolanic Raw Materials Resources in the Central and Western United States

Minerals Yearbook: Volume 3

International Coal Trade

Information Circular: Issues 6650-6680

Annual Report of the Director of the Bureau of Mines to the Secretary of the Interior for the Fiscal Year Ended

Minerals Yearbook: Volume 2

Technical Paper - Bureau of Mines: Volumes 351-380

Bulletin: Issues 65-71

Information Circular: Issue 8891

Bulletin: Issue 673

International Coal Trade

Mineral Resources of the United States: Part 2