natural secondary aggregate

http://resource.geosciml.org/classifier/cgi/commodity-code/natural-secondary-aggregate

broader
http://resource.geosciml.org/classifier/cgi/commodity-code/aggregate original
narrower
natural-secondary-aggregate original
definition Aggregates produced as a by-product of other mining or quarrying activities such as china clay waste, slate waste and colliery spoil
notation
01.01.01.02
Saggr
source BGS
type
Resource original
Concept original
in scheme commodity-code original