i6o 



INDEX 



Congressional investigation of 1886, 



Cuba, geologic researches made prior 

 to acquisition by United States, 

 i3- 



Desert land law, 60; entries per- 

 mitted under, 65. 



Desert watering places, maps and 

 guides to, 56; estimated cost of 

 work, 57. 



Director, office of, 73. 



Ditches, right-of-way permits for, 



65- 

 Division of Accounts, 74. 

 Drainage basins, demarkation of, 53. 



Electricity, use of, in mines, 25. 



Engraving and printing division, 84. 



Enlarged and stock-raising home- 

 steads division, 81. 



Executive division, 74. 



Explosive gases, occurrence of, 25. 



Explosives, examination of, used in 

 coal mining, 25. 



Field offices, 79. 



Financial statements, 123-131. 



Flood prevention, investigation of, 



58. 

 Forest reserves, survey of, 21-22; 



administration of, transferred to 



Forest Service, 22. 

 Forest Service, administration of 



forest reserves transferred to, 22; 



stream-gaging stations maintained 



in cooperation with Survey, 52. 

 Fortieth parallel, surveys of, 3. 

 Fremont, Captain James, surveys 



made by, 2. 

 Fuels, appropriation for analyzing 



and testing, 24, 25. 



Gas lands, withdrawn from entry, 

 64; systematic classification of, 67. 



General Land Office, surveys under 

 auspices of, 2. 



Geographical surveys, 2-5. 



Geologic branch, divisions of, 75. 



Geologic division, sections and work 

 of, 75-76, 77. 



Geologic folios, use of, 40, 41. 



Geologic map, preparation of, n, 14. 



Geologic names committee, 77. 



Geologic surveys, first appropriation 

 for, 2 ; methods employed in, 39- 

 43; cost of, 40-43. 



Geological Survey, establishment of, 

 6. 



Geology of eastern coal fields section, 

 77- 



Geology of metalliferous deposits 

 section, 77. 



Geology of non-metalliferous depos- 

 its section, 77. 



Geology of oil and gas fields section, 

 77- 



Geology of western coal fields sec- 

 tion, 77. 



Glacial geology section, 77. 



Green Bay region, work on oil shales 

 of, 43- 



Ground waters, methods employed 

 in survey of, 54-57. 



Ground waters division, 81. 



Hawaii, cooperative agreement with, 

 for survey of territory, 13; geo- 

 logic researches made prior to 

 acquisition by United States, 13; 

 square miles mapped in, 37; dis- 

 trict office for supervision of 

 stream-gaging stations, 80. 



Hayden, F. V., survey of territories 

 made by, 3. 



History of Survey, 1-28. 



Homestead law, 60; entries per- 

 mitted under, 65. 



Homesteads, systematic classifica- 

 tion of enlarged and stock-raising, 

 68. 



Hydraulic mining de"bris problem, 

 investigation of, 58. 



Hydrographic classification division, 

 82. 



