It shall be unlawful for any person to locate, establish, or maintain any lumber yard or place for the piling, storing, keeping, or selling any lumber, or to keep any lime, lath, shingles, hay, straw, or other combustible materials on any lot or parcel of ground within the fire limits, unless the same is securely kept in a building constructed of brick, stone, concrete, or other incombustible material; provided, the foregoing shall not apply to lumber yards now built and in use.
(Neb. RS 17-549) (1973 Code, § 7-210) Penalty, see § 10.99