David Evans

Principal Hydrogeologist and GWX Managing Director · MWH Global

Hydrogeologist based in Lima, Peru with over 25 years of groundwater and business management experience (17 years in Peru and 8 in Canada)

Hydrogeology Karst Hydrogeology Mining Hydrogeology Mining and Water Geology

Ed Toivonen

Mining Engineering professor and program coordinator · Cambrian College

Ed has almost 30 years experience in the fields of mining, engineering, mine geology and mining technologies.

Geology Mining and Water Mining Engineering Ventilation Prospecting