(225 ILCS 705/5.16) (from Ch. 96 1/2, par. 516)
Sec. 5.16.
He shall measure the air current or cause the same to be measured
at least once each week at the inlet and outlet, also at the last open
cross-cut in each division or split, and shall keep a record of such
measurements for the information of the State mine inspector.
(Source: Laws 1953, p. 701.)
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