rock filling,rubble
[DE] Bruchsteinfuellung; Bruchsteinschuettung
[EN] rock filling; rubble
[FR] enrochements
or rubble,rock filling
[DE] Steinschuettung
[EN] or rubble; rock filling
[FR] enrochements
loose rock dump,rip-rap,riprap,rock filling
[DE] Steinschüttung; Steinwurf
[EN] loose rock dump; rip-rap; riprap; rock filling
[FR] enrochement