Construction and application of sections 537.180 to 537.210.

537.220. Construction and application of sections 537.180 to 537.210. — Nothing in sections 537.180 to 537.210 shall be so construed as applying to or including the operation, construction or repairing of concentrating mills, flumes or tramways wholly above ground. (RSMo 1939 § 3676) Prior revisions: 1929 § 3286; 1919 § 4237; 1909 § 5444