EntityQ1579049· pop 6· linked from 22 articlesutility locationSign in to saveprocess of identifying and labeling public utility mains that are undergroundConnectionsdistrict heatingEntityaerosol paintEntityNew York CityCityelectricityEntitytelecommunicationsEntityelectromagnetismEntityagricultural irrigationEntitynatural gasEntitytraffic lightEntityoptical fiberEntitypublic transportEntitywireEntitypolyvinyl chlorideEntityradio receiverEntityfluorescenceEntitypipeEntitycable televisionEntityradio transmitterEntitylocal governmentEntitywastewaterEntityCategoriesColor codesPublic utilitiesSubterranea (geography)