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Exploration Activity In The United States In 2006, By Method, Commodity, And State

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TABLE 8
EXPLORATION ACTIVITY IN THE UNITED STATES IN 2006, BY METHOD, COMMODITY, AND STATE1
(Meters)
 
Rotary and Percussion
Churn and reverse drilling, other
diamond circulation drilling, and
Commodity or State   drilling   drilling   trenching   Grand total
Commodity:
Gold 242,000 679,000 W 922,000
Silver 1,590 -- -- 1,590
Other2 42,900   86,900   251,000   380,000
Total 287,000 766,000 251,000   1,300,000
Percentage of grand total 22   59   19   100
State:  
Alaska 2,700 9,200 W 11,900
Montana 1,590 -- -- 1,590
Nebraska -- 75,800 -- 75,800
Nevada 234,000 670,000 W 904,000
New York 4,110 -- -- 4,110
Undistributed3 44,800 11,300 251,000 307,000
Total   287,000   766,000   251,000   1,300,000
W Withheld to avoid disclosing company proprietary data; included with "Other" or "Undistributed."-- Zero.
1Data are rounded to no more than three significant digits; may not add to totals shown.
2Includes cobalt, copper, iron ore, lead, lead-zinc, uranium, zinc, and commodity indicated by symbol W.
3Includes Arizona, California, Colorado, Idaho, Minnesota, Missouri, Tennessee, Wyoming, and States indicated by symbol W.��

Source: United States Geological Survey Mineral Resources Program


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