01419nam 2200397Ka 450 991069834920332120080118140243.0(CKB)4330000001851518(OCoLC)190928182(EXLCZ)99433000000185151820080118d2006 ua 0engtxtrdacontentcrdamediacrrdacarrierGeothermal, the energy under our feet[electronic resource] geothermal resource estimates for the United States /Bruce D. Green and R. Gerald NixGolden, Colo. :National Renewable Energy Laboratory,[2006]iii, 16 pages digital, PDF fileNREL/TP ;840-40655Title from title screen (viewed Jan. 18, 2008)."November 2006."Geothermal, the energy under our feet Geothermal -- The Energy Under Our Feet Ground source heat pump systemsUnited StatesEnergy developmentUnited StatesGround source heat pump systemsEnergy developmentGreen Bruce D1404019Nix R. Gerald1404020National Renewable Energy Laboratory (U.S.)GPOGPOBOOK9910698349203321Geothermal, the energy under our feet3477780UNINA