Four Corners Office for Resource Efficiency (4CORE) Back to Search Four Corners Office for Resource Efficiency (4CORE) Categories Utilities & Environmental Services 1309 E 3rd Ave, Suite 3 , Durango , CO , 81301 (970) 259-1916 Send Email fourcore.org Contacts Primary Jenny Hill Executive Director Kathleen O'Connor Share × Print Email Facebook LinkedIn X Pinterest Powered By GrowthZone