STATISTICS AND INFORMATION. 2805

1922, ch. 307, sec. 156.

157. The operator of every coal mine where miners are paid by mea-
surement, shall provide and maintain at such mine a standard measure,
approved by the Bureau, with which all cars or other containers of coal
shall be checked and their respective capacities be determined and plainly
branded thereon, subject to approval by the Bureau.

1922, ch. 307, sec. 157.

158. Any person or persons having or using any scale, measure, car,
container or other instrument for the purpose of determining the amount
of product and resulting compensation of any workman employed in or
about any such mine, who shall knowingly or of gross negligence so arrange,
construct or operate any such instrument that an incorrect determination
and compensation may be reported, or shall make or permit to be made an
incorrect and fraudulent record and account thereof, shall be guilty of a
misdemeanor; and every day any such instrument is so arranged, con-
structed, or operated to obtain such incorrect determination, or such
incorrect and fraudulent record and account is made or permitted to be
made, shall be a separate offense.

1922, ch. 307, sec. 158.

159. It shall be unlawful for any person, with intent to cheat or
defraud, to place upon any car or other container loaded by any other person
a number or check number; or with such intent to change, exchange, sub-
stitute, alter or remove any such number or check number; and any such
act shall be a misdemeanor.

1922, ch. 307, sec. 159.

160. Every operator of any such mine shall make payment in lawful
money of the United States semi-monthly to his employees, laborers and
wageworkers, or to their authorized agents, at their respective places of
employment, at intervals of not more than seventeen days. In case any
such operator shall refuse to pay at the times above set forth to his
employees, laborers or wageworkers the wages due them, or any of them,
said operator shall be guilty of a misdemeanor.
See art. 23, sec. 151.

1922, ch. 307, sec. 160.

161. Whenever an operator of any mine in this State discharges an
employee, all wages due such employee and unpaid at the time of discharge
shall become due and payable immediately.

TITLE IX—SAFETY, SANITATION, HEALTH, ETC.

CHAPTER XXIV—Mine Accidents.

1922, ch. 307, sec. 161.

162. There shall be kept at each such mine at a place convenient to the
mouth of the mine, such adequate equipment, sufficient for the number