Finance 112 Frelinghuysen, Joseph S. 106-107 Fuel administration 29-36, 90-91 Garfield, G. A. (quoted) 30, 111 Geological survey 79, 111 Geology of coal 4-6 Giddings, F. H. (quoted) 17 Gilbert, Chester G. (quoted) 83-84, 97 Gompers, Samuel 57-58 Government investigations 106-107 Government regulation 27-36 (See also Fuel administration; Nationalization.) Hammond, J. L. and Barbara (quoted) 13-15 Hanna, Mark 55, 63 Hawkins, Sir John 13 Hazards 44-47, 81 Hoover, Herbert (quoted) 34 Immigrant miners 42 Imperialism 25 Industrial democracy 50-53 Industrial revolution 2, 6-9, 22-23 Inventions 8, 102 Isolation 40 Kenyon, William S. 106 Knights of labor 57, 61 Lane, Franklin K. 91 Leeky, W. E. H. (quoted) 13 Lesher, C. E. (quoted) 31-32 Lloyd, Thomas 53 Management 76 McBride, John 59 Mine inspection 44-48 Miners 13-15 Miners' job 43-44 Miners' national association 54-58 Miners' unions 20, 38-49, 52-65 Mining law 44-48 Mining towns 40 Mitchell, John 61-65 National civic federation 63 National coal association 72, 107 National federation of miners and mine laborers 59 Nationalization 77, 108-110 Natural gas 87-88 Operators 46-47, 105