URI
Notation
626/627
Caption
Hydraulic engineering and construction. Water (aquatic) structures
See also
551.46Physical oceanography. Submarine topography. Ocean floor
556Hydrosphere. Water in general. Hydrology
Broader class
62  Engineering. Technology in general
Narrower classes
626Hydraulic engineering in general
627Natural waterway, port, harbour and shore engineering. Navigational, dredging, salvage and rescue facilities. Dams and hydraulic power plant