Pacific Western Airlines Boeing 737-200 (C-GOPW) at Edmonton International Airport. The airline was being taken over by Canadian at the time.  Note the stone deflectors on the nosewheel.
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<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/130275500@N02/16124065381/">Pacific Western C-GOPW B737-200 at YEG</a>