Table 2.13 — /Area' utilized for mining and area reclaimed in the United States by class of mineral, 



section, region, and State, 1930-1971 (continued) 



(Thousand acres) 



Section, region, 



Total 



Fossil fuels^ 



Metals 



Non 



metals ■ 



and State 



Area 



Area 



Area 



Area 



Area 



Area 



Area 



Area 





utilized 



reclaimed 



utilized 



reclaimed 



utilized 



reclaimed 



utilized 



reclaimed 



Rocky Mountain and 



















Great Plains: 



















Rocky Mountain: 



















Arizona 



102.3 



6.8 



.2 



.1 



86.2 



2.5 



15.9 



4.2 



Colorado 



48.8 



14.1 



8.9 



4.8 



17.4 



3.5 



22.5 



5.8 



Idaho 



41.2 



8.6 



{') 



P) 



21.6 



3.4 



19.6 



5.2 



Montana 



42.8 



10.6 



6.9 



3.7 



15.7 



1.2 



20.2 



5.7 



Nevada 



41.2 



4.1 



— 



— 



29.1 



1.6 



12.1 



2.5 



New Mexico 



47.8 



9.8 



8.6 



6.0 



21.8 



.8 



17.4 



3.0 



Utah 



66.7 



6.3 



3.2 



.3 



48.9 



2.1 



14.6 



3.9 



Wyoming 



28.4 



9.0 



10.1 



4.8 



5.8 



.4 



12.5 



3.8 



Total, Rocky Mountain 



419.2 



69.3 



37.9 



19.7 



246.5 



15.5 



134.8 



34.1 



Great Plains: 



















Kansas 



44.0 



21.5 



19.7 



15.7 



6.1 



.5 



18.2 



5.3 



Nebraska 



12.8 



3.7 



— 



— 



— 



— 



12.8 



3.7 



North Dakota 



35.1 



23.9 



27.3 



21.6 



{') 



P) 



7.8 



2.3 



South Dakota 



16.5 



4.6 



.3 



.2 



1.4 



.1 



14.8 



4.3 



Total, Great Plains 



108.4 



53.7 



47.3 



37.5 



7.5 



.6 



53.6 



15.6 



Total, Rocky Mountain 



















and Great Plains: 



527.6 



123.0 



85.2 



57.2 



254.0 



16.1 



188.4 



49.7 



Pacific Coast: 



















Pacific Northwest: 



















Alaska 



29.6 



10.7 



3.6 



3.3 



16.1 



4.4 



9.9 



3.0 



Oregon 



34.0 



8.9 



n 



{') 



5.5 



1.3 



28.5 



7,7 



Washington 



35.9 



9.7 



2.0 



.6 



1.4 



.1 



32.6 



9.0 



Total 



99.6 



29.3 



5.6 



3.9 



23.0 



5.8 



71.0 



19.7 



Pacific Southwest: 



















California 



226.5 



43.9 



.5 



.1 



38.0 



5.3 



188.0 



38.5 



Hawaii 



4.8 



1.2 



- 



- 



— 



— 



4.8 



1.2 



Total 



231.3 



45.1 



.5 



.1 



38.0 



5.3 



192.8 



39.7 



Total, Pacific Coast 



330.9 



74.4 



6.1 



4.0 



61.0 



11.1 



263.8 



59.3 



Total, United States 



3,654.3 



1,463.2 



1.571.6 



1,031.6 



523.4 



43.3 



1,559.3 



406.3 



'Includes surface mine excavation area used for disposal of surface mine 

 waste, surface area subsided or disturbed as a result of underground workings, 

 surface area used for disposal of underground waste, and surface area used for 

 disposal of mill or processing waste. 



'Excludes oil and gas operations. 



'Less than 50.000 acres. 



Note: Columns may not add to totals because of rounding. 

 Source: Department of Interior, Bureau of Mines Information Circular 8642 and 

 unpublisfied data. 



58 



