PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In 1931, Congress allocated additional funds to the U.S. Department of Commerce, Coast and Geodetic Survey (C&GS) for establishment of an engineering seismology program, including the development of a strong-motion seismograph (accelerograph), and the implementation and operation of a national strong-motion network.
http://www.w3.org/ns/prov#wasQuotedFrom
  • usgs.gov