Engineer.

Acknowledged before me a ...................... this
.............. day of ......................................

.............................

I, the undersigned, hereby certify that I am a mine-foreman
at the mine represented by this map, and to the best of my
knowledge and belief the same correctly represents the
excavations of the mine for the period ending
............................................................

.............................
Mine-Foreman.

Acknowledged before me a ....................... this
................ day of ....................................

.............................

(Sec. 904, 917, 937; Penalty, Sec. 976.)

Sec. 937. [=Owner, lessee or agent shall file map of abandoned mine
with county recorder and chief inspector of mines.=] The owner,
lessee or agent of a mine, before the pillars are drawn previous to
the abandonment of a mine, or any part thereof, shall cause to be
made a correct map of such mine, or part thereof, showing its area
and workings to the day of the abandonment; the pillars drawn
previous to abandonment; and file such map within ninety days after
the abandonment of such mine, in the office of the Recorder of the
county where such mine is located, and with the chief inspector of
mines at his office. Such map shall have attached thereto the usual
certificate of the mining engineer making it, and the mine-foreman
in charge of the underground workings of the mine, and such owner,
lessee or agent shall pay to the Recorder for filing such map, a fee
of fifty cents. (Sec. 921.)

[=Copy of map to be filed with chief inspector.=] The owner, lessee
or agent of a mine shall keep at the office thereof, open to the
inspection of the chief inspector of mines, and the district
inspector of mines, a copy of the latest map of such mine, with any
addition thereto, and shall furnish a copy thereto to the chief
inspector of mines at his office. (Sec. 904, 917, 935, 936; Penalty,
Sec. 976.)

=Precaution when approaching abandoned mine.=

Sec. 938. Whenever any working place of a mine approaches within one
hundred feet of the abandoned workings of another mine, as indicated
by an accurate survey, or while driving any working place withi