Peppermill Drills Deep for Energy and Water Savings Going Geothermal Tags: California Meetings + Events MagazineCalifornia Meetings + EventsCaliforniaCAMeetings + Events Magazinemeetings + eventsmeetingseventsPeppermillenergywaterconservationJanet FullwoodRenoPeppermill Resort Spa CasinogeothermalKatie Silvavolcanic rock Read more about Peppermill Drills Deep for Energy and Water Savings