Crossword clues for some damsAnswerClueDAMDatum on a horse's pedigree papersDAMHydrostatic pressure is considered in its designDAMRiver blockDAMSThey may cause course reductions?DAMArizona's Roosevelt, e.g.DAMHindrance to some animal migrationDAMB.C. Hydro structureDAMMEDImpededDAMOne crossing a riverDAMProvider of flower power?DAMSSites for fish laddersDAMHold backDAMSee 88-AcrossDAMSee 50-DownDAMSAnti-flood structuresDAMSBeavers' constructsDAMSource of electric power in B.C.DAMCourse stopperDAMHungry Horse or HooverDAMHydropower sourceDAMSBig masonry projectsDAMRiver crosserDAMAid in irrigationDAMSPrevents from running, in a wayDAMSBlocksDAMBlockDAMSWater stoppersDAMCurrent checkerDAMFlow blockerDAMOne may be built for powerDAMHydroelectric holderDAMFoal's motherDAMCurrent blockerDAMHoover or BeaverDAMWater holderDAMTVA structureDAMSTVA structuresDAMFlood controllerDAMMama horseDAMFish ladder's localeDAMSOroville and AswanDAMBeaver projectDAMNew Mexico's Elephant Butte, e.g.DAMRiver-valley constructionDAMIt'll hold waterDAMFish-ladder siteDAMSpillway settingDAMSProjects for beaversDAMStop upDAMSThe earliest ones were built for a water supply system in Jordan around 3500 BC