http://en.wikipedia.org/wiki/Abbotsford_International_Airport#History ,
http://airportguide.com/airport/Canada/British_Columbia/Abbotsford-CYXX-YXX/runways.php
http://en.wikipedia.org/wiki/Albany_International_Airport#History 1/19
http://en.wikipedia.org/wiki/Newark_Liberty_International_Airport#Runways ,
https://www.google.ca/search?q=Newark+International+Airport+Runway+1/19&safe=off&es_sm=93&tbm=isch&tbo=u&source=univ&sa=X&ei=hH-NVOLBHIKgoQSpiIKwBw&ved=0CEUQsAQ&biw=1920&bih=971
numbers and patterns
