<http://webisa.webdatacommons.org/prov/423833493>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/343543184> .
<http://webisa.webdatacommons.org/343543184>	<http://www.w3.org/ns/prov#value>	"In situations/locations where travelways are not clearly distinguishable, markers or other marking techniques should be used to aid equipment operators." .
<http://webisa.webdatacommons.org/343543184>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/343543184>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<msha.gov> .