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<http://webisa.webdatacommons.org/229149574>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<worldcat.org> .
<http://webisa.webdatacommons.org/prov/155750697>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/229149574> .
<http://webisa.webdatacommons.org/229149574>	<http://www.w3.org/ns/prov#value>	"Factors such as photo quality, scale, and environmental conditions at the time of photo acquisition can affect mapping accuracy." .
<http://webisa.webdatacommons.org/prov/272433380>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/229149574> .