Required yards along district boundary coincident with rear lot lines of two adjoining zoning lots

M1 M2 M3

In all districts, as indicated, along such portion of the rear lot line of a zoning lot in a Manufacturing District which coincides with a rear lot line of a zoning lot in an adjoining Residence District, an open area not higher than curb level and at least 30 feet in depth shall be provided within the Manufacturing District. Such an open area shall not be used for storage or processing of any kind.