June 19th, 1914, On the eve of the First World War, an underground explosion at Hillcrest, Alberta, killed 189 of the 235 miners on shift in the workings. The Hillcrest cemetery eventually became an historic site. Methane gas and coal dust probably ignited by a spark caused the explosion.
[url]http://www.crowsnest.bc.ca/hillcrest.html[/url] />