<http://webisa.webdatacommons.org/171839459>	<http://www.w3.org/ns/prov#value>	"These products, produced in the inland regions of the developing nation, were vital to the continuing prosperity of Tidewater cities and towns such as Baltimore and Washington." .
<http://webisa.webdatacommons.org/prov/152494631>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/171839459> .
<http://webisa.webdatacommons.org/171839459>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/503991704>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/171839459> .
<http://webisa.webdatacommons.org/171839459>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<umd.edu> .