Revetment unit
Riparian improvement structure unit
Sand dune and shore-line erosion prevention system
Sand trap for erosion control
Sea wave dissipator apparatus and method for its manufacture
Sealing system and method for sealing earthen containers
Seawall barrier
Seawall construction
Seawall extension apparatus
Seawall, pier, or basalt column landscape
Self anchoring tire-made artificial reef
Sewage disposal system and method
Shaped barrier for erosion control and sediment collection
Shore erosion control structures
Shore erosion prevention modules
Shoreline breakwater
Shoreline breakwater
Shoreline breakwater for coastal waters
Shoreline erosion barrier
Shoreline erosion control and refurbishing means