http://www.theglobeandmail.com/news/technology/globe-on-technology/high-and-dry-in-the-internet-sticks/article1712585/
Here's an excellent article that describes the state of small internet service providers in Canada. While I don't have to ski into any sites, I have marched up the water tower hill in Iroquois Falls more times than I want to remember, and have put equipment into a sled to pull over the snow to get to a different tower site.
