Analysis of the fossils and the rock’s minerals [of the Leschi Park erratic] shows it may have come from the Nooksack Group near Mount Baker, or from the Harrison Lake area of southern British Columbia.
https://github.com/davepinch/pinchy.cc/blob/master/content/topics/places/formations/nooksack-group/nooksack-group.md
To different minds, the same world is a hell, and a heaven. Ralph Waldo Emerson, Journals (1822-1863)