About: http://webisa.webdatacommons.org/52760343

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	This is necessary to allow trail managers to place boards lengthwise along a boardwalk trail to reduce the environmental impact such as on a wetland area.
http://www.w3.org/ns/prov#wasQuotedFrom	federalregister.gov