If  You Hear a Strange Humming Sound, You’re Not Alone - September 30, 2019
https://www.avenueedmonton.com/city-life/the-hum/
Story by Doug Horner
 

Local man hears the ‘Nevis hum’ -Compressor alleged to be making low frequency noise -Aug. 9, 2019

https://www.stettlerindependent.com/news/local-man-hears-the-nevis-hum/

Man says he's a divining rod for mysterious Alberta hum
https://www.cbc.ca/news/canada/calgary/alberta-mystery-hum-1.4942943

Humdinger of a noise keeps neighbours up at night

https://www.cbc.ca/news/canada/calgary/humdinger-of-a-noise-keeps-neighbours-up-at-night-1.818910