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  • Skipworth's Addition is an archeological site located near Harwood, Anne Arundel County, Maryland. (wikipedia.org)
  • Later excavation produced 17th-century artifacts, including glass, tobacco pipes, nails, refined earthenwares, and coarse ceramics, which confirm this site to be that of Skipworth's Addition. (wikipedia.org)
  • The site is located within the bounds of the 1664 patent "The Addition," which was issued in December 1662 to George Skipworth (also - Skipwith, Skipwirth) for an 18-acre (73,000 m2) tract. (wikipedia.org)
  • Oxidative addition requires that the metal complex have a vacant coordination site. (wikipedia.org)