About: http://webisa.webdatacommons.org/328481086

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	Construction over clay soil. ???Clay soil is expansive when wet,??? he says. ???It will shrink and expand depending on the moisture in the clay.??? Landscape contractors must take this into account when building surfaces such as patios.
http://www.w3.org/ns/prov#wasQuotedFrom	lawnandlandscape.com