About: http://webisa.webdatacommons.org/396006370

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	This is usually made in a program such as Excel or Word, and lists the coordinates of each spot in grid form.
http://www.w3.org/ns/prov#wasQuotedFrom	yale.edu