Index 



253 



effect on investment and output, 



163-64, 163« 

 as incentive to discovery, 164, 165; 

 percentage depletion in oil produc- 

 tion, 163-64, 165-67, 183, 210; 

 and recovery of costs, 165; 

 and risks in development, 166; 

 substitutability of products, 179, 



181; 

 trace elements, 57-59; 

 wasteful practices, economic factor 



in, 83-84; 

 withdrawal of lands, 10; 

 see also Coal; Iron ore; Lead; Petro- 

 leum; Phosphate; Sulfur; Uranium 

 "Mission 66" program (National Park 



Service), 20 

 Mississippi River, 129, 211 

 Missouri, iron and lead deposits in, 57 

 Missouri Basin, 235 

 Missouri Valley development program, 



230 

 Molybdenum, trace occurrence of, 59 

 Morgenthau, Henry, Jr., 13 

 Mortality rates, 74 

 Moses, Robert, 92 

 Mount Rushmore, 5 

 Mountain Pass district (California), 



57 

 Muir, John, 16 

 Multiple Mineral Development Act 



(1954), 19 

 Multiple-purpose development, 11, 14, 

 20, 41, 217, 224-25; defeat of early 

 efforts toward, 43—44; and external 

 diseconomies in water resource de- 

 velopment, 159, 160, 175, 184 

 Multiple use, concept of, 18, 21, 22, 



27-29, 32,210 

 Mumford, Lewis, 143, 143« 

 Munitions Board, 17 

 Muscle Shoals, 12, 38 

 Muskingum Conservancy District, 212 



National Academy of Sciences, 25, 26 

 National Conservation Congress, 8 

 National Forest Reservation Commis- 

 sion, 218 

 National forests, development of policy 

 on, 10; see also Forest lands; Forest 

 Service 

 National Industrial Recovery Act 

 (1933), 32 



National Park Service, xi; establish- 

 ment of, 8; "Mission 66" program, 

 20 



National Park System, acreage in, 16 



National parks; establishment of, 27; 

 urban use of, 125; see also National 

 Park Service 



National Reclamation Act (1902), 5n 



National Reclamation Association, 5n, 

 45 



National Recovery Administration, 15 



National Resources Board, 14-15 



National Resources Committee, 14n 



National Resources Planning Board, 

 14n, 37, 38,212,213,218,223 



National Rivers and Harbors Congress, 

 45 



National Security Council, 232 



National Security Resources Board, 17, 

 38 



Natural Resources Task Force (First 

 Hoover Commission), 20-21 



Navigation, 30-31 



New Brunswick, lead-zinc deposits in, 

 57 



Newcomb, Robinson, 126n 



New Deal, 15, 37, 97 



Newell, Frederick, 5, 5m, 50, 160 



Newlands, Francis G., 23, 43 



New River, 30 



New York State, wilderness areas of, 

 17,216 



New York Times, 92 



Nickel, trace occurrence of, 59 



Nolan, Thomas B., 49n, 55n, 60n, 67- 

 84 passim, 8 4-8 5 n 



Nonrenewable resources, 190; exhaus- 

 tion of, 103; research in, 54-60, 70; 

 urban use of, 123, 140-41 



Norris, George, 23 



Norris-Doxey Act (1937), 16, 31 



North Carolina, Biltmore forest, 80 



North Central states, water supply of, 

 107 



North Dakota, oil reserves in, 56 



Nuclear energy, 82, 121 



Oakes, Eugene E., 164n, 165n 



Office of Defense Mobilization, 38 



Office of Indian Affairs, I6n 



Ohio River, 129 



Oil. See Petroleum 



Oklahoma v. Atkinson Company, 30 



