Rio Tinto-Zinc Corporation, mine owners

This page summarises records created by this Business

The summary includes a brief description of the collection(s) (usually including the covering dates of the collection), the name of the archive where they are held, and reference information to help you find the collection.

Alternative name(s):	Imperial Smelting Corporation (Formerly known as) National Smelting Corporation (Formerly known as) Bourgainville Copper Limited (Formerly known as) M K Electric Holdings Limited (Formerly known as)
Date:	1828-2009
Places:	London
Functions, occupations and activities:	Mineral extraction > Metal ore extraction
Name authority reference:	GB/NNAF/C103354 (Former ISAAR ref: GB/NNAF/B9836 )

Collections
Number	Description	Held by	Reference	Further information
1	c1800-2009: minutes, annual reports, corresp, financial records, photographs, inc records of predecessor bodies	The London Archives: City of London	LMA/4543	See Annual Return 2010
2	1924-1989: photographs and papers, incl minutes and ledgers and records of predecessor companies Imperial Smelting Corporation and National Smelting Corporation	Bristol Archives	43095 acc 44038	See Annual Return 2008
3	1970: papers rel to proposed mineral exploration in the Mawddach Valley and Coed y Brenin	Gwynedd Archives, Meirionnydd Record Office	Z/M 5791	See Annual Return 2004