Answer: dams

AnswerCrossword Clue
DAMSBeaver's masterworks
DAMSBlocks
DAMSRiver barriers
DAMSBeavers' creations
DAMSHydroelectric power projects
DAMSRiver projects
DAMSElectricity generators
DAMSBeaver-built barriers
DAMSBeavers' projects
DAMSWater holders
DAMSSire's mates
DAMSBlocks up
DAMSBeaver-built blockages
DAMSBeavers' buildings
DAMSRoosevelt and Hoover
DAMSBeaver business
DAMSFlow stoppers
DAMSLambs' mothers
DAMSWater gates
DAMSBlocks off
damsto stop up
DAMSProjects for beavers
DAMSHoover and Grand Coulee
DAMSStops up
DAMSWatercourse barriers
DAMSEwes and mares
DAMSHindrances
DAMSTVA constructions
DAMSObstructs
DAMSAswan and Hoover
DAMSBeavers love 'em
DAMSAswan et al.
DAMSTVA structures
DAMSAnti-flood structures
DAMSBeavers' constructs
DAMSOroville and Aswan
DAMSBig masonry projects
DAMSThey may cause course reductions?
DAMSPrevents from running, in a way
DAMSGrand Coulee et al.