This HTML5 document contains 5 embedded RDF statements represented using HTML+Microdata notation.

The embedded RDF content will be recognized by any processor of HTML5 Microdata.

PrefixNamespace IRI
n4google.
isaphttp://webisa.webdatacommons.org/prov/
isahttp://webisa.webdatacommons.org/
rdfhttp://www.w3.org/1999/02/22-rdf-syntax-ns#
provhttp://www.w3.org/ns/prov#
xsdhhttp://www.w3.org/2001/XMLSchema#
Subject Item
isa:282020551
rdf:type
prov:Entity
prov:value
RELATED APPLICATIONS Not Applicable FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT Not Applicable COMPACT DISK APPENDIX Not Applicable BACKGROUND OF THE INVENTION Utility companies, communications companies, governmental entities, and other entities sometimes locate utility and communication pipes and lines and other facilities underground.
prov:wasQuotedFrom
n4:com
Subject Item
isap:272987406
prov:wasDerivedFrom
isa:282020551
Subject Item
isap:398064716
prov:wasDerivedFrom
isa:282020551