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.
Messier 54 (Wikipedia) Messier 54 (also known as M54 or NGC 6715) is a globular cluster in the constellation Sagittarius. It was discovered by Charles Messier in 1778 and then included in his catalog of comet-like objects.