Los Frailes, Spain Los Frailes zinc, copper, lead and silver mine Mining-Technology.com   February 25/2005 The mine was operated by Boliden Apirsa SL, then a wholly owned subsidiary of Boliden Ltd, but following a major tailings dam failure in 1998, the operation was initially suspended, and subsequently closed. Damage to fragile environments Doņana National Park pollution Barcelona Field Studies Centre SL   January 15/2005 Recent events in southern Spain have increased the awareness of large scale mining and its adverse effects upon the environment. The dam failure at the Los Frailes mine released between 5-7 million tonnes of tailing waste in the river Guadiamar. The Los Frailes tailings dam failure Antenna   November 26/2004 Although a final report on the cause of the Los Frailes dam failure has not yet been published, it is rather improbable that it must be attributed to the force majeure implicitly claimed by Boliden Ltd., the Swedish-Canadian operator of the mine. Boliden says court clears it of Los Frailes crime Planet Ark World Environment News   November 20/2001 Swedish mining and metals group Boliden said yesterday an appeals court in Spain had upheld a lower court decision clearing it of any crime in connection with an ecological disaster at its Los Frailes mine. Tailings-pond disaster The Globe and Mail   April 28/1998 What happened in Spain? The cause of the spill is under investigation, but a few things can be said about the vulnerability of such reservoirs. 'Waking up to a nightmare' The Ottawa Citizen   April 28/1998 Boliden CEO joins a growing list of Canadian mining firms facing environmental disasters.