An Ordinance providing for the improvement of Junction and Englewood Streets from Colorado Avenue to First Avenue South; Howard Street from the East line of Stark to First Avenue South; Duwamish Street from Merrick Street to First Avenue South; Fidalgo Street from the East line of E.B. Maples D.C. to First Avenue South; River Street from Stark Street to First Avenue South, Riverside Street from Maple Street to Fidalgo Street to First Avenue South; Colorado Avenue (on the westerly side) from Howard Street to Junction Street in the City of Georgetown, and to assess the cost thereof to the abutting property and property benefited by the construction of said improvements included within the improvement district, and providing for the payment of said cost and expenses and establishing Local Improvement District No. 50.