An Ordinance providing for the laying off, extending and establishing of Commercial Street, in the City of Georgetown, over and across Blocks 17, 18, 19 and 20 of McCallister's Addition to the City of Seattle; also over and across Blocks 36, 37 and 38 of Commercial Street Steam Motor Addition to the City of Seattle; also over and across certain unplatted tracts and parcels of land lying between the Southerly boundary of the Commercial Street Steam Motor Addition to the City of Seattle and the Duwamish River, and known as the "China Gardens"; and providing for the taking and damaging of land and other property necessary therefor and for the ascertainment and payment of the just compensation to be made for the private property to be taken or damaged for said purpose, and for an assessment upon the property benefited and for the purpose of making such compensation.