Our flight crew used to make quite a bit of money when they flew to isolated bases. They would load up on fresh bread, eggs, milk and sell it on base. An underground economy.
I remember National Guard flights coming in and the crew going to the BX for BX prices on stereo equipment, cameras, etc.
I found this satellite map on the Goose Bay website. You can zoom in and find Happy Valley ESE of the airport.
http://www.goosebayairport.com/map.html