About: http://webisa.webdatacommons.org/190708575

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	You can do this with concrete blocks, rocks or other masonry materials that you place on the ground under each 4x4 ramp timber.
http://www.w3.org/ns/prov#wasQuotedFrom	askthebuilder.com