Canada

Canadian Land Reclamation Association 
Mining Environmental Neutral Drainage (MEND ) 
Technical & Research Committee on Reclamation (TRCR)

International

Acid Drainage Technology Initiative
ACMER (Australian Centre for Minerals Extension and Research
American Society of Mining and Reclamation
Centre for Groundwater Studies
Cyantists
International Affiliation of Land Reclamationists
International  Cyanide Management Code for the Gold Mining industry
International Mine Water Association
International Network for  Acid Prevention (INAP)
Mining Life-Cycle Centre
National Orphaned/Abandoned Mines Initiative (NOAMI)
Partnership for Acid Drainage Remediation in Europe (PADRE)

 Documents

Planning for Integrated Mine Closure: Toolkit - ICMM