About: http://webisa.webdatacommons.org/199772361

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	To make it easier to grow subsistence crops such as potatoes, the nutrient-poor peat soil was piled into ridges or ???rigs??? with deep furrows or ???runs??? in between for aided drainage.
http://www.w3.org/ns/prov#wasQuotedFrom	usra.edu