The Athabasca University Archives (http://archives.athabascau.ca/arc_program/) recently assisted with the Alberta Obsidian Project, the province's first large scale attempt to survey archaeological obsidian tools for the purpose of analyzing historical trade patterns.  A more complete explanation of the project and its results may be found in the following recent blog post by Todd Kristensen of the Archaeological Survey of Alberta and and Kristine Fedyniak of the Royal Alberta Museum:

https://albertashistoricplaces.wordpress.com/2015/07/22/tracking-ancient-connections-the-alberta-obsidian-project/