194 



Page. 



Coal lands, prices of 81, 95 



restorations of -- 52, 97-98 



valuation of 65, 79-95 



allowance for faults in 93 



diagram used in 92 



difficulty of 47 



factors in 81-82 



allowance for 82-95 



maximum of 95 



procedure in 108-110 



regulations for 96-97 



value per acre of 90—91, 9o 



withdrawals of 36-37, 52, 65-66 



rules for 37 



typical form of 65-66 



/See aUo Coal ; Coal beds. 



Coal section, organization of 16 



woric of 16-17 



Colorado, enlarged homesteads In 22 



oil in 117 



Colville Indian Reservation, failure 



to classify lands in 144 



Contour lines, explanation of 57 



Crystalline roclcs, occurrence of oil 



in 113 



D. 



Dam sites, physical details of 173 



See also Water-supply sites. 



Desert-land laws, provisions of 22 



Domestic use, classification for 190-192 



classification for, general princi- 

 ples of 190 



Bee also Enlarged homesteads ; 

 Municipal use ; Range. 

 Duty of water, allowance for, in 



classification 183-184 



E. 



Elevations, determination of 57 



Enlarged-homestead law, proceed- 

 ings under 187-189, 190-191 



provisions of 22 



Entries, fraudulent, defeat of, hy 



classification 144-145 



F. 



Farm use, water for. See Enlarged- 

 homestead law. 

 Faults, allowance tor, in valuing 



coal lands 93 



Field methods of classification, de- 

 velopment of 50-53 



outline of 98-108 



See also Surveys ; particular 

 classes of lands. 



Finch, E. H., work of 10 



Float, investigation of 151-153 



Florida, phosphate reserves in 125 



Forest homestead laws, provisions 



of 21 



Forty-acre tracts, classification by__ 78 



<^- Paga 



Gaging stations, establishment of- 173, 182 



Gale, H. S., worli of 10 



Gas. See Oil and gas. 



General Land Office, cooperation 



with 13 



Geological Survey, TJ. S., classifica- 

 tion by 35-43 



classification by, authorization 



for 11-13, 35 



history of 35-36 



evolution of 14-16 



topographic maps of 14 



Graphite, occurrence of 140 



Grover, N. C, worlt of 10 



Guano, occurrence of 140 



Gypsum, occurrence of - 139 



H. 



Halite, occurrence of 139 



Hayes, C. W., work of 11 



Heroy, W. B., work of 10 



Homesteads, laws for, provisions of- 21—22 

 relation of, to public-land with- 

 drawals 44 



to power-site withdrawals 176 



See also Enlarged homesteads. 

 Hydrographic classification 16, 17-18 



Idaho, enlarged homestead in 190-191 



phosphates in 127 



Indiana, oil in 116-117 



Indian reservations, classification of 



lands of 143-144 



Internal improvement, land grants 



for 30 



Irrigation, character of land for. 184-185 



classification for 178-189 



factors in 181-185 



general considerations in 178-181 



methods of 185-189 



duty of water in 183-184 



water available for 181-182 



water utilized for 182-183 



withdrawals for 185-187 



works for, character of, allow- 

 ance for 185 



See also Enlarged homestead. 

 Irrigation canals, right of way for, 



laws concerning 28 



water in, loss of 183 



Irrigation reservoir sites, with- 

 drawals of 187 



Irrigation section, organization of 17 



work of 17 



Irrigation surveys, development of— 14-15 

 Isolated tracts, laws concerning 23 



K. 



Kansas, oil in 117 



King, Clarence, report of, on land 



classification 12-13 



