900                                              LAWS OF MARYLAND                                 [Ch. 4

66C, section 504(a) of the Code.

Subsection (e) presently appears as   Article
66C, section 504(b) of the Code.

Subsection (f) presently appears as the

last two sentences of Article 66C,    section

486(1) of the Code (proposed section

7-101(u)), and has been transferred to this
subsection for purposes of clarity.

The only other changes made are in style.

SUBTITLE 4. RULES AND REGULATIONS GOVERNING MINING
ACTIVITY.

7-401. MAPS OF MINES.

(A) CONTENTS REQUIRED.—THE OPERATOR OF ANY COAL
MINE IN THE STATE SHALL MAKE, OR CAUSE TO BE MADE BY A
COMPETENT PINING ENGINEER OR SURVEYOR, AN ACCURATE MAP
OF THE MINE FOR EACH SEAM OF COAL WORKED, ON A SCALE
OF NOT LESS THAN 200 FEET TO THE INCH, WHICH SHOWS:

(1)    THE BOUNDARY LINES OF THE PROPERTY,
THE LOCATION OF ALL BUILDINGS, RAILWAY TRACKS, WAGON
OR OTHER ROADS, RIVERS, STREAMS, LAKES AND PONDS, WITH
THE DEPTH INDICATED, OTHER IMPORTANT LANDMARKS ON THE
SURFACE OF THE PROPERTY; CONNECTING LINES OF
CONTIGUOUS PROPERTIES; AND ANY LINES WITH RELATION TO
CONTIGUOUS MINES OR COAL PROPERTIES.

(2)    THE OPENINGS, EXCAVATIONS, SHAFTS,
SLOPES, DRIFTS, TUNNELS, PLANES, ENTRIES, ROOMS,
CROSSCUTS, AND THE NAME AND LOCATION NUMBER OF EACH
COAL MINE, IF SO IDENTIFIED.

(3)    THE ELEVATION DATUM AT TOP AND BOTTOM
OF EACH SHAFT, SLOPE, AND ANY DRIFTS, TUNNELS, PLANES,
AT THE FACES OF ENTRIES, AS FOUND AT EACH SEMIANNUAL
SURVEY; AND IN ROOMS AND ENTRIES ADJACENT TO BOUNDARY
LINES BETWEEN THE MINE AND ANY ADJOINING MINE AT
POINTS NOT MORE THAN 300 FEET APART; THE DATE OF ENTRY
OF EACH DATUM; AND THE LOCATION AND ELEVATION OF ANY
BODY OF WATER DAMMED WITHIN OR HELD BACK IN ANY
PORTION OF THE MINE, GIVING AS NEARLY AS
ASCERTAINABLE, THE TRUE AREA OF THE BODY OF WATER.