Crossword clues for Underground works. 4 letters:MINEUnderground works.EXCAVATEWork undergroundTUNNELEDWorked undergroundMINEROne working undergroundMANHOLESStreet openings for underground workCOALMINEUnderground work siteDITCHDIGGERLaborer used for underground work?FLAMINGLike the "Creatures" in a landmark work of underground queer cinemaDITCHDIGGERHis work may take him underground