RCW 49.24.310
59 words·~1 min read·
/wa/title-49/chapter-49-24/49-24-310·A research copy — for the controlling text, always check the official state or federal source. Not legal advice.
Where tunnels are driven from shafts more than two hundred and fifty feet deep, a telephone system shall be established and maintained, communicating with the surface at each such shaft, and with a station or stations readily and quickly accessible to the men at the working level.
[ 1941 c 194 s 24 ; Rem. Supp. 1941 s 7666-32.]