DISTRIBUTION OF JAN. 1, 1976, ORE RESERVES BY TYPE OF HOST ($30 RESERVES)

DISTRIBUTION OF JAN. 1, 1976, ORE RESERVES BY RESOURCE REGION ($30 RESERVES)

1 Includes Colorado and southern Rockies, northern Rockies, northern and central basin and range, Sierra Nevada, Pacific coast, southern basin and range, southeastern basin and range, Columbia plateaus, and southern plains.

DISTRIBUTION OF JAN. 1, 1976, ORE RESERVES BY STATE ($30 RESERVES)

1 Includes Arizona, Montana, California, North Dakota, Washington, Oregon, South Dakota, Oklahoma, Nevada, and Idaho. DISTRIBUTION OF JAN. 1, 1976, ORE RESERVES BY MINING METHOD ($30 RESERVES)

1 Includes 37,500,000 tons of material at 0.04 percent U2O, classified as solution mining reserves.

DISTRIBUTION OF JANUARY 1, 1976, ORE RESERVES BY DEPTH OF ORE
($30 RESERVES)*

100

1011

៖ ៖ ៖ ៖ ៖

312

200

155

300

76

400

500

48

33

600

40

700

17

800

5

900

DISTRIBUTION OF JANUARY 1, 1976, ORE RESERVES BY THICKNESS OF ORE