EQUIPMENT SBM-400 SP/LP SBM-700 SBM-900		«Back to Map
		Country & Mine   Year Diameter     # Of Holes Depth Each in Ft. Total Ft. Drilled  Total Mt. Drilled  COLUMBIA           Hydro Project   1977 12' 1 1100 1,100              335 Hydro Project   1978 6' 1 1100 1,100              335