Assmang Manganese Mines, South Africa - (Mining-Technology.com) Geology and reserves, operation, processing and production

Manganese Ore Report - (Australian Atlas of Mineral Resources, Mines & Processing Centres) Resources, reserves, exploration expenditure, production

International Manganese Institute - Paris, France

Method and Apparatus for Mining Manganese Nodules from the Deep Sea-Bottom - (FreePatentsOnline)

Manganese - (WebElements.com) Description; isolation

Manganese Statistics and Information - (USGS) Regularly updated publications about the state of the US aluminum industry

Manganese - (Lenntech) Chemical properties; applications; managanese in the environment; health and environmental effects

Manganese - (Los Alamos National Labs - Chemistry Division) History; sources; properties; uses; handling

ToxFAQs for Manganese - (Agency for Toxic Substances & Disease Registry) Environmental and health effects of manganese; manganese exposure

Manganese - (ChemicalElements.com) Atomic structure; isotopes

Manganese Nodules - Origin and classification of Mn nodules; biogenic aspects

Manganese - (Chemical & Engineering News) History, description, uses