Report of the director of the Mint upon the production of the precious metals in the United States.

Mode of access: Internet.

Minerals of California /

Mode of access: Internet.

Bulletin.

Mode of access: Internet.

Information circular /

GeoRef

Las minas y la industria en sus relaciones con la administracion,

Mode of access: Internet.

Report of investigations.

"In order to avoid duplication in serial numbers with other series of publications, the Reports of investigations begin with serial 2000."

Information circular.

GeoRef

Bulletin.

Engineering index energy abstracts

Estadística minera de Chile. t. 1-5, 1903-10?

Mode of access: Internet.

Bulletin of the Geological Survey of China.

Mode of access: Internet.

La produccion en Chile de los metales i minerales mas importantes, de las sales naturales, del azufre i del guano desde la conquista hasta fines del año 1902,

Mode of access: Internet.

Proceedings: Rocky Mountain Energy-Minerals Conference, Billings, Montana, October 15 & 16, 1975.

Cover title.

Boletín.

Mode of access: Internet.

Economic series /

Each vol. has also a distinctive title.

Bulletin.

Mode of access: Internet.