Best Available T echniques & Prioritization
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& Prioritization of Mine Impacted Lands T he Gold Rush T he - - PowerPoint PPT Presentation
Best Available T echniques & Prioritization of Mine Impacted Lands T he Gold Rush T he Gold Rush H ydraulic M ining H ydraulic M ining H ard Rock M ining M ercury Entrained in the Sediment Deer Creek 1908 Greenhorn Creek 2011
Deer Creek 1908 Greenhorn Creek 2011
Source Transport Deposition
Abandoned Mine Impacts
Sierra Nevada Sierra Nevada & Foothills Bay/Delta Headwate rs Reservoirs Deposition Zone
Contaminant Transport Contaminant Transport
Impact Impact Impact
Waste Rock Tailing s Processing Wastes Mine Water Metal Loaded Water Sedimen t Contaminate d Fish Sedimen t Metal Loaded Water Contaminat ed Fish
Elemental Mercury Acid Rock Drainage Methylation of Mercury Bioaccumulation
presentations and field trips
benefits
Studies
stages
Strategy for SAM for CABY Region
An An Init nitia iativ ive to Ad Address Hi Historic ic Minin ning Impacts w w w. s i e r r a f u n d . o r g Nevada City Legacy Mine Land Acquisition Project Combie Reservoir Mercury and Sediment Removal Malakoff Diggins Assessment and Cleanup Project
Ranking of Mining- Impacted watersheds in the Sierra Nevada Province of the California Bay- Delta Authority Watershed
Source: CA Department
I. CA SMARA began regulating mining operations in the 1970s II. Pre-CA SMARA mines not required to reclaim * Surface Mining and Reclamation Act
Assets
regulatory agencies and with the academic, business, community, and conservation institutions
both public and private lands
best available technologies and practices for responsible and pro-active mine reclamation activities
protects the environment and taxpayers too
Improving Pre-SMARA Legacy Mine Remediation Challenges and Opportunities SMARA Mine Permitting and Reclamation Issues Water Bond Implementation Issues and Opportunities
improve water quality, enhance wildlife habitat, provide environmental benefits, and get gold, too.
an environmentally sound, economically viable, ethically mined (E3) gold product from legacy mine reclamation
Multiple Benefits of Sediment Removal from Reservoirs Definition of E3 Gold Standards E3 Gold Market Analysis and Early Development