The Seattle-Everett Interurban Railway Routes, Then And Now (snohomishcountywa.gov) The data for this map was gleaned from maps in Warren Wing’s To Seattle By Trolley, from a 1910 Plat Book of Snohomish County. from a Thomas Guide map, from an interview with retired interurban motorman Walt Shannon, and by the author, Fred Bird.
Yellowknife is usually where scientists start geological mapping expeditions when researching the oldest known rocks in North America.
