STATISTICS AND INFORMATION. 2781

therein portrayed; and upon the reproductions furnished the district mine
inspector shall be endorsed a signed statement of the mine foreman that
he has carefully examined the map and reproduction; that the reproduc-
tion is an accurate copy of the original map, and that said map accurately
represents the mine property within his personal knowledge thereof.

1922, ch. 307, sec. 52.

53. Whenever the district mine inspector shall have reason to suspect
that any mine workings approach dangerous accumulations of water or
of dangerous gases, such inspector shall have power by special safety order
to require that the operator cause the suspected portion of such mine to be
immediately surveyed and entered upon the map of such mine.

1922, ch. 307, sec. S3.

54. Whenever the district mine inspector shall have reason to believe
that any map of any mine or reproduction thereof furnished to him pur-
suant to the provisions of this sub-title is inaccurate or imperfect, he shall
have power to order a survey of such mine or any portion thereof which
he may believe to have been incorrectly mapped; and the cost of such sur-
vey shall be recoverable from the operator as other debts are recoverable
by law; provided, that if the map claimed by such inspector to be inaccu-
rate or imperfect shall be found to be sufficiently accurate for its intended
purpose, then the reasonable cost of such survey shall be a charge payable
by the State.

TITLE V—MINE MANAGEMENT AND OPERATION.

CHAPTER VII—General Duties of Operator.

1922, ch. 307, sec. 54.

55. Every operator of a mine in this State shall annually, on or before
the first day of March in each year, make to the Bureau a report, under
oath, upon uniform blank forms to be furnished by the Bureau, covering
such facts regarding the production and conditions of such mine during the
calendar year last preceding, as the Bureau may require.

1922, ch. 307, sec. 55.

56. On or before the 25th day of each month, every operator of a
bituminous coal mine shall if required make such report to the district
mine inspector upon blank forms to be furnished by the Bureau, covering
such facts regarding the production and conditions of such mine during
the preceding calendar month, as the Bureau may reasonably require for
the use of such inspector.

1922, ch. 307, sec. 56.

57. Every such operator shall give the Bureau immediate notice in
such manner as such Bureau may prescribe, in any of the following cases:

(a) When any change occurs in the name of the operator of a mine, or
of an executive official concerned in the operation of such mine; or in the
designation of such mine.