Managenese.-Estimates of production at various prices are as follows; they assume the continuation of existing technique of mining, recovery, and smelting without the investment of much new capital:

Assumed price per ton:

$20, first year_-

$20, second year

$20, third year_. $35, first year-$35, second year

$35, third year__.

Tons 35,000-50, 000 35, 000-50, 000 35, 000-50, 000 80, 000-100,000 100, 000-150, 000 200, 000-250,000

Attached are estimates of tonnages and grades in three categories of deposits in

the Western States.