Technology
Engineering (General). Civil engineering (General)
Materials of engineering and construction
Special materials
Nonmetallic materials
Other nonmetallic materials, A-Z
Gravel
URI(s)
Codes
Variants
Technology--Engineering (General). Civil engineering (General)--Materials of engineering and construction--Special materials--Nonmetallic materials--Other nonmetallic materials, A-Z--Gravel
Gravel--Engineering materials
Broader Terms
Synthesized From Schedule
Instance Of
Scheme Membership(s)
Collection Membership(s)
Change Notes
1993-04-03: new
1996-05-28: revised
Alternate Formats
