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La Camorra, Venezuela Gold - Monarch Resources / Hecla Mining

300,000 ounces per year high grade gold benefaction facility in Myanmar Burma

La Camorra,
Venezuela Gold - Hecla Mining Company

Santa Cruz Project - ASARCO / Freeport McMoRan Copper

100 ton per month cathode copper solvent extraction - electro-winning plant

Santa Cruz Project - ASARCO/Freeport McMoRan Copper: Solvent Extractions and Electro-Winning

Copper Solvent Extraction/Electro-winning Facility

50,000 ton copper heap leach pad, PLS ponds, raffinate ponds and emergency storage ponds

Copper Solvent Extraction/Electro-winning Facility

SO3 Cooler - Phelps Dodge Miami

Replaced an old failing SO3 Cooler with a new design heat exchanger

SO3 Cooler - Phelps Dodge Miami

Lucky Friday Mill Upgrade - Hecla Mining Company

Upgrade flotation plant in Mullan, Idaho

Lucky Friday Mill Upgrade - Hecla Mining Company

Iron Oxide Processing Facility - Arizona Oxides, Inc.

A facility for ore receipt, crushing, fine grinding, pulverization, sampling, blending, dust collection and product packaging in Arizona.

Iron Oxide Processing Facility

Cerro Verde Copper Mine - Phelps Dodge, Buenaventura

In Uchumayo, Arequipa, Peru with annual yield of 169 Mlb copper

Cerro Verde Copper Mine: Heap Leach Study and Design, Feasibility Study

EAF Dust Plant Project - Elkem Technology

Electric arc furnace dust processing facility

EAF Dust Plant Project

Chang Shan Hao Gold Mining - Jinshan Gold Mines

20,000 ton per day crushing plant with 35.93km2 mine area in Inner Mongolia, China

Chang Shan Hao Gold Mining: Metallurgical Testing, Pilot Test, and Feasibility Study
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