earth-rock dam with clay core
earth-rock fill dam with clay core
earth-rockfill dam with clay core
embankment dam with clay core
Lianghekou Rockfill Dam with Clay Core
sand case dam with clay core
weathered material-filled dam with clay core
dam with narrow clay core
rock-fill dam with sloping clay core
rock fill dam with core
rock fill dam with core wall
rock-fill dam with core
rock-fill dam with core walls
asphalt concrete central core dam
Asphalt Concrete Core Dam
asphaltic concrete core dam