GOLD, SILVER, COPPER, LEAD, AND ZINC IN COLORADO 319
 Shipments from the Stratton properties in 1941 totaled 28,738 tons of mine
ore and 15,113 tons of dump, which together had a total gross settlement
value of $416,305.78 or an average settlement value of $9.49 per ton. Most
of the ore was mined by lessees under the royalty system. The bulk of the
dump ore was shipped by the Regain Corporation from three groups of dumps
on Bull Hill. The principal producers of mine ore were the Alie Bell Mining
Co. (Proper mine), C. E. Sullivan and Longfellow Mining Co., A. S. Cobb,
and J. E. Van Dewalker.
 Cameron Gold Mines, Inc., operated its group of mines and 100-ton flotation
mill continuously in 1941. Ore treated totaled 34,053 tons yielding 1,503
tons of concentrates containing 5,038 ounces of gold and 2,910 ounces of
silver; the concentrates were shipped to the
* Leadville smelter. The mill feed included 1,072 tons of custom ore milled
for the Tenderfoot Mining Co~. Thomas Kavanaugh operated his Iron Clad group
and cyanide plant 6 months during the year, treating 8,885 tons of ore yielding
504 fine ounces of gold and 77 fine ounces of silver. In approximate order
of gold output, the Empire Lee, Free Coinage, El Paso, Acacia, Dr. Jack Pot,
Jerry Johnson, Mary Nevin, and Mary McKinney continued to be important producers
in 1941. Some of the other producing mines and dumps were the Atlas, Black
Belle, Buckeye, Cardinal-Great West, Dehnonico, Economic dump, Joe Dandy,
Nellie V and War Eagle, New Gold Dollar, and Strong.