About: http://webisa.webdatacommons.org/65656080

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The amount and the proportions of different types of aggregate used in the US are given in the following table (taken from U.S. GEOLOGICAL SURVEY CIRCULAR 1176).
http://www.w3.org/ns/prov#wasQuotedFrom	uwindsor.ca