barrowbaryspherebasaltbasaltic stratumbasculebascule bridgebascule gatebascule trussbasebase chargebase coursebase distancebase flowbase levelbase level of erosionbase linebase mapbase of the notchbase of wallbase periodbase resistancebase runoffbase saturationbase sedimentation surveybase shearbase slabbase soilbase systembase thickness of buttressbase widthbase yearbaseboardbasementbasement storybasement wallbaseplatebasicbasic brickbasic capacitybasic creepbasic curvebasic development lengthbasic flowbasic operationbasic planbasic refractorybasic speedbasic stage floodbasic studybasic variable
