48 
STATE AGRICULTUEAL SOCIETY. 
of its mines. Toucliing the production of zinc ores, the Sec¬ 
retary in his report of March 30th, 1866, says: 
“ It is safe to estimate the actual value of these ores at $30 
per ton, for rendering into spelter by our compan}^ (that of 
Lead being $75.”) 
The amount produced of the zinc and lead ores, respect¬ 
ively, was in the proportion of about eight of the former to 
two of the latter. 
Still further, on this point—reference being made especially 
to the carbonate, which is the most abundant of the zinc ores 
about Mineral Point, and, happily, the most valuable—the Su¬ 
perintendent of this company, in a descriptive list of speci¬ 
mens sent to the Paris Universal Exposition of 1867, remarks 
as follows: 
“Dry Bone of the Miners, from the Glass Eock opening, al¬ 
ways containing some Galena. It is the most abundant of the 
zinc ores in this vicinity, and furnishes the principal supply 
for the Spelter works at Mineral Point and La Salle, Ill., as 
well as for the zinc white manufactured at Mineral Point, and 
contains 60 to 70 per cent, of oxide of zinc. It is found in 
the horrizontal openings, in sheet form of indefinite width. 
Thousands of tons were formerly taken out by the miners in 
their search for lead ores, and thrown away as worthless. It 
now sells readily at from ten to fifteen dollars per ton of 2,000 
pounds. It is raised by the miner usually at an expense, in¬ 
cluding his labor, 'of about six dollars per ton. The lead ore 
is easily separated from it by pick-axes, wasting and jigging. 
The product of the mines of this ore in the vicinity of Mineral 
Point is estimated at one hundred and fifty thousand dollars 
per annum.” 
notwithstanding the large amounts of mineral that have 
been already taken from the lead region of our State, Wiscon¬ 
sin still stands foremost among the States for its lead deposits, 
and only second for its mines of zinc. Capital and skilled 
labor are alone required to make that vast area embraced be¬ 
tween the Mississippi, Wisconsin and Eock rivers and the 
