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.
And I knew him not: but that he should be made manifest to Israel, therefore am I come baptizing with water. John 1:31 KJV