INDEX. 



195 



Ii. Page. 



Land classification, agencies of 33-43 



data for, chart sliowing 63 



reports on 63-65 



history of 18-50 



laws for 12,18-32 



Bee also Public-land laws ; 

 Land grants. 



methods of 33-50, 66-T9 



necessity for 32-33 



organization for, development of_ 11 



policy of 9 



purpose of 7-9 



See also Water supply ; particu- 

 lar classes of land. 

 Land-classification board, organiza- 

 tion of 13, 15-18 



records of 16-17, 18 



Land grants. See State grants ; Eail- 



road grants. 

 Land Office field service, classifica- 

 tion by 34-35 



Land Office maps, use of, in coal 



classification 58-60 



Lands, alienation of 7 



character of, allowance for, in 



classification 184^185 



classification of. See Land classi- 

 fication. 



utilization of 7 



yalue of, determination of 7-8 



La Rue, E. C, work of 10 



Leasing, desirability of 46, 47-49 



proposed allotment to States 



from 49 



returns from 49 



Legislation, desirable, outline of- 46-50, 



177-178 

 See also Withdrawals ; Land 

 classification ; Mineral 

 lands ; etc. 



Lelghton, M. O., work of 10 



Lesher, C. E., work of 10 



Lindgren, Waldemar, work of 11 



Lodes, investigation of claims for. 148-155 



laws concerning 24-25, 140 



sampling of 154-155 



M. 



Magnesite, occurrence of 140 



Maps, construction of, for coal 



classification .")l-53 



improvement in 50 



See also Topographic maps. 



Mendenhall, W. C, work of 9 



Metalliferous mineral lands. See 

 Mineral lands, metallifer- 

 ous. 



Milling uses, right of way for, laws 



concerning 29 



Mineral classification, organization 



for 16-17, 18 



Mineral lands, classification of, by- 

 products of 155-159 



classification of, field methods of. 

 See Field methods. 



Page. 



Mineral lands, data on, preparation 



of 63-65- 



valuation of 79-95 



See also Coal lauds ; Oil and gas 

 lands ; Phosphate lands ; 

 Potash lands ; Miscellane- 

 ous minerals ; Mineral 

 lands, metalliferous. 

 Mineral lands, metalliferous, claims 

 for, precedence over wa- 

 ter-supply rights 175 



classification of, agencies of 145 



field work in 146-155 



methods of 145-155 



problems of 145-146 



procedure in 146 



purposes of 142—145 



laws for, provisions of 23-29 



leasing of 48 



withdrawals of 40-41, 44—45 



Mining, aid to, from classification. 157-158 

 Mining uses, right of way for, laws 



concerning 29 



Miscellaneous minerals, data on — 140—141 

 lands containing, withdrawal of- 142 



laws on 140 



occurrence of 138-140 



Missouri, oil in 117 



Monazite, occurrence of 139 



Montana, enlarged homesteads in 22 



Municipal use, water supplies for, 



right of way for 29, 192 



N. 



National Academy of Sciences, re- 

 port of, on land classifica- 

 tion 11 



Nevada, enlarged homestead in 22 



New Mexico, enlarged homestead in_ 22 



oil in 117 



Northrop, J. D., work of 10 



O. 



Ohio, oil in 116 



Oil, depth to, allowance for, in 



classification 120-121 



quality of, allowance for, in 



classification 119-120 



Oil and gas, accumulations of, de- 

 pendence of, on struc- 

 ture 114-116 



accumulations of, position of — 112-116 



migration of 112 



occurrence of, distribution of- 116-117 



factors in 112-116 



surface indications of 116 



See also Oil and gas lands. 

 Oil and gas lands, adverse water-site 



claims and, relations of- 175-176 

 area of, still belonging to United 



States 8 



classification of 111 



data for 118 



factors in 118-121 



method of il8 



purpose of 117 



