Maps; certification and seal; revision and supplementation;
temporary notations
Sec. 2. (a) All maps required to show the underground workings
of any mine, within this state, shall be made or certified by a
registered engineer or land surveyor and sealed by such professional
engineer or land surveyor.
(b) The map shall be kept up-to-date by temporary notations and
the map shall be revised and supplemented at intervals prescribed by
the director on the basis of a survey made or certified by such
engineer or surveyor.
(c) Mine maps shall be revised and supplemented at intervals of
not more than once a year.
(d) Temporary notations shall include:
(1) the location of each working face of each working place;
(2) pillars mined or other such second mining;
(3) permanent ventilation controls constructed or removed, such
as seals, overcasts, undercasts, regulators, and permanent
stoppings, and the direction of air currents indicated; and
(4) escapeways designated by means of symbols.
(Formerly: Acts 1955, c.168, s.8.) As amended by P.L.231-1983,
SEC.2.
Last modified: May 27, 2006