Crossword clues for Some undergrounds 6 letters:GNEISSWhere underground bands get togetherCENOTEUnderground reservoir: Sp.CAVERNNatural underground chamberSEWERSUnderground drain systemsCRYPTSUnderground chambersTUBMANUnderground Railroad leaderHEROINWhat "the man" has for the singer in the Velvet Underground song "I'm Waiting for the Man"GROTTOUnderground chamberSEWERSUnderground waste conduitsBURROWUnderground shelterRCRUMBUnderground comix pioneerBURIESPuts undergroundSECRETUndergroundSEWERSUnderground networkNETHERUndergroundLEVELAUnderground section of a parking garage, oftenBURIEDUnderground, as treasureTUNNELUnderground routeCAVERNUnderground roomMETROSSome undergroundsCELLARUnderground roomMETROSUndergroundsSEWERSUnderground conduitsGNOMESFabled underground treasure guardiansGROTTOUnderground recessSTRATAUnderground bands?SUBWAYUnderground train lineCELLARUnderground room for wineCELLARUnderground floorTUNNELUnderground passageCULKINChild actor with a pizza-themed Velvet Underground cover bandTUBMANUnderground Railroad conductorMAQUISFrench underground in WWIICELLARUnderground port locationWARRENUnderground burrow networkORECARUnderground transportSUBWAYUnderground railroadCANADAUnderground Railroad destinationIMPALATame ______ (antelope-inspired band, which someone featured on CHbeam_me_up_softboi may describe as "totally underground indie music ... you probably haven't heard of them")BURROWGo undergroundSEWERSUnderground sanitation conduitsCICADAOne might live underground for 17 yearsGOPHERUnderground figureMETROSUnderground complexesWARRENUnderground homeSEWAGEUnderground wasteCAVERNUnderground chamberMETROSUnderground systemsCRYPTSUnderground tombs (part 5)VADOSEOf underground springs: Geol.