ventilation embankment

embarkment [= embarkament]

gate lintel ventilation plus ventilation behind ga

synchronized intermittent mandatory ventilation plus pressure support ventilation

anti-sliding rubble sheet

building rubble

cement stability in the rubble

cement_rubble masonry arch dam

Cement-Rubble Gravity Dam

Cement-rubble masonry gravity dam

cement-rubble project

Chaotic rubble of water that not cement sand base

chinney-rubble zone

coursed rubble wall

cyclopean rubble masonry

fault rubble

foundation on rubble fill site

GROUTED RUBBLE

Grouted rubble dam