With talk of a possible trip along the Alcan highway in 2012 I was googling for some info and came across these photos.
http://www.tc.gov.yk.ca/digitization...ds_hays_en.php
They were taken by a member of the 18th engineers in 1942 who worked on the road. Some nice scenery and vehicle shots. Scroll down the "browse the Hays collection".