The Thirty-sixth General Assembly in 1947 passed an Act
requiring, in addition to the above, that the Commissioner of
Mines conduct safety inspection of all oil wells, property and
equipment appurtenant immediately and used in connection
with producing oil wells and further charged him with the
enforcement of laws relating to the health, safety, and welfare
of any person employed in such wells, or other property.
From time to time, and by various opinions and decisions,
the Colorado Bureau of Mines, under the direction of the Commissioner of Mines, has been authorized and empowered to
make safety inspections of all underground metal or mineral
mines, open pit or other surface mines, rock and mineral quarries, clay pits and mines, earth and rock dams, water canals,
highway excavations, highway gravel pits, all rock excavations, rock tunnels or any mine workings of whatever kind or
character (except coal mines), ore mills, mineral grinding
plants, highway gravel crushing plants, sampling works, smel^
ters, chemical plants producing a chemical from ore or minerals, metallurgical plants, oil and gas wells and all equipment
and machinery used in connection with any of the above and
all buildings thereon.
The Commissioner of Mines was ...