Telephone service or approved equivalent means of communication shall be provided at the bottom of each main shaft or slope and in all mines from the surface to the working sections of the mine where the mine workers are more than 1,500 feet from the surface.
(Acts 1949, No. 207, p. 242, §43.)Telephone service or approved equivalent means of communication shall be provided at the bottom of each main shaft or slope and in all mines from the surface to the working sections of the mine where the mine workers are more than 1,500 feet from the surface.
(Acts 1949, No. 207, p. 242, §43.)
Telephone service or approved equivalent means of communication shall be provided at the bottom of each main shaft or slope and in all mines from the surface to the working sections of the mine where the mine workers are more than 1,500 feet from the surface.
(Acts 1949, No. 207, p. 242, §43.)