Yes, I believe the consensus here on the forum was it looked like a blanket in the bag (see photo), but then again it wasn't put in a paper bag so maybe nothing seen on it to the naked eye but maybe something under a microscope.
Not sure what else they found, as they are also carrying brown paper bags also.
http://www.calgarysun.com/2014/07/09/the-worst-job-in-the-world-is-worth-it-for-calgary-police
This is the caption under the photo:
"An investigator carries away a number of bagged items discovered at Spyhill landfill Wednesday July 9, 2014 in northwest Calgary, Alta. The search continues for the three missing people and any evidence surrounding the case. Police continue to search a location near Airdrie, Alta and in the landfill July 9, 2014. Jim Wells/Calgary Sun/QMI Agency"
http://live.calgarysun.com/Event/Ca...go_missing_in_suspicious_disappearance?Page=5