ALBERT C. RITCHIE, GOVERNOR. 731

cause of the accident and to report thereon to the Bureau in
writing; a copy of which report shall be sent To the operator
of such mine. To enable the district mine inspector to make
such inquiry and report, he shall have power to require the
attendance of witnesses and to administer oaths and affirma-
tions to them. If any person shall neglect or refuse to obey
the summons of such inspector, for such purpose issued, or to
testify, except such refusal be privileged, such inspector shall
certify the said person for such neglect or refusal to the Cir-
cuit Court for the county within which the investigation is
held, and the judge thereof shall punish such neglect or re-
fusal as for a contempt. The costs of such investigations
shall be paid by the county within which the accident may
occur, upon the warrant of the Chief Mine Engineer on a
voucher of the district mine inspector certifying the same.

SEC. 167. In case of serious accident in or about any such
mine, involving or threatening injury to persons and prop-
erty, upon receiving notice it shall be the duty of the district
mine inspector to proceed to the scene of the accident and to
direct the work of rescue, relief and restoration; and he may
request the Chief Mine Engineer to come or to detail additional
district mine inspectors to assist if necessary.

SEC. 168. Persons not employees of a. mine and not author-
ized, nor permitted by law, shall not enter such mine until
the operator has consented, nor until and when accompanied by
a competent guide authorized therefor by such operator.

SEC. 169. The operator of every such mine shall adopt and
install a system whereby when required by and under regula-
tion of the Bureau, the employees shall check in and out of such
mine.

CHAPTER. XXV—General Sanitation and Health Provisions.

SEC. 170. Upon submission of an application signed by
sixty per cent, of the employees in and about any coal mine
within this State, approved by the Bureau, the operator of
such mine shall provide and maintain at a convenient point
near the principal entrance of such mine an adequate and
sanitary washroom for the use of the employees of such mine;
or upon submission of an application signed by twenty-five
per cent, of such employees, approved as aforesaid, such opera-
tor shall provide and maintain at a location convenient for
its use by such employees, near to an entrance of such mine,