This airport does not show up on sectional charts. It was built in the early years of World War II (ca. 1940) as one of many training bases for RCAF and RAF pilots. It is now abandoned and apparently serves as part of a family farm
Abandoned, Military - Air Ports
By: charlene
http://www.abheritage.ca/flyboys/homefront/bcatp_site_locations.htm#dewinton
http://www.cufc.ca/field_detail.cfm?autoFieldID=36
Ian