United States Bureau of Mines

Bulletin Volume 161-166

Technical Paper Volume 1-20

Technical Paper Volume 164-179

Bulletin Volume 65-71

Technical Paper Volume 129-150

Bibliography of Literature on Sampling to July, 1921

Bulletin

Mineral Resources of the United States Volume 1909

Mineral Resources of the United States Volume 1922, No. 2

Bulletin Volume . 207-213

Mineral Resources of the United States Volume 10

Bulletin Volume 2; No. 94

Bulletin Volume 671

Bulletin Volume 186-191

Bulletin Volume 167-169

Bulletin Volume 157-161

Bulletin Volume 77-83

Bulletin Volume 201-205

Bulletin Volume 300-308

Bulletin Volume 194-200

Bulletin Volume 186-188

Mineral Resources of the United States Volume 1927, No. 2

Mineral Resources of the United States Volume 5

Mineral Resources of the United States Volume 1922, No. 1