About: http://webisa.webdatacommons.org/156038802

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	Other than those areas actually shown as swamp on the map, none was an obstacle to mechanized movement, provided the basic rules involving movement under these conditions were followed.
http://www.w3.org/ns/prov#wasQuotedFrom	25thaviation.org