SNOW REMOVAL FROM SIDEWALKS - VALIDITY OF CITY ORDINANCE REQUIRING SAME AND PROVIDING A PENALTY LIEN. A city of the third class is empowered by RCW 35.24.290, as an incident to its police power, to pass an ordinance   requiring abutting owners and occupants to remove snow from sidewalks, and permitting the imposition of a lien against abutting property to pay cost of such removal in the event of failure of compliance.