About: http://webisa.webdatacommons.org/127678911

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	Lazarus' Farm Machinery Economic Cost Estimation spreadsheet (machdata.xls), also on the webpage, is a tool for figuring out your own costs.
http://www.w3.org/ns/prov#wasQuotedFrom	umn.edu