INDEX 



Activities of Survey, 20-72; classi- 

 fication of, 105-106. 



Administrative branch, 73. 



Alaska, surveys begun in, 12-13; 

 square miles mapped in, 37; in- 

 vestigation of mineral resources, 

 43; withdrawal of lands from 

 entry, 66. 



Alaskan mineral resources division, 

 75, 77, 79- 



"Antimony Deposits of Alaska," 50. 



Appropriations, for geological sur- 

 veys, first, 2; survey of territories, 

 4; survey of Rocky Mountain 

 region, 4; survey west of one 

 hundredth meridian, 5; surveys 

 in Alaska, 13; procuring statistics 

 in relation to mineral resources, 

 15; operating expenses of Survey, 

 16; reduction in, for Survey's 

 work, 19; for boundary surveys, 

 21; survey of forest reserves, 21; 

 topographic surveys on public 

 lands, 22; stream gaging and re- 

 clamation work, 23; analyzing 

 and testing fuels, 24, 25; investi- 

 gating structural materials, 24, 

 25; protection of lives of miners, 

 25; investigation of mine explo- 

 sions, 25; topographic surveys in 

 connection with the war, 27; in- 

 vestigation of water resources, 

 52; survey of watering places on 

 arid lands, 56; land classification 

 work, 64. 



Areal geology sections, 76. 



Arid lands, possibility of reclamation 

 by irrigation, investigation by 

 Geological Survey, 17-18; im- 

 portance of sources of ground 



water in, 55; sur/ey of watering 

 places on, 56; reclamation of, in 

 states, 66. 



Army, surveys under auspices of, 1, 

 2. 



Atomic weights, revision of funda- 

 mental, 48. 



Base maps, of United States, 35; of 



states, 35. 

 Bench marks, erection of, 32, 37-39. 

 Book publication division, 83. 

 Boundary survey, appropriation for, 



21. 

 Branch offices of Survey, 84. 

 Bulletins, 40. 

 Bureau of Mines, creation of, 25; 



investigation made by, 46-47. 

 Bureau of Standards, investigation 



of structural materials transferred 



to, 26. 



California Miners' Association, hy- 

 draulic mining debris problem in- 

 vestigated at request of, 58. 



Canals, right-of-way permits for, 65. 



Carnegie Geophysical Laboratory, 

 present work begun in Geological 

 Survey, 48. 



Cass, General, expedition of 1820, 1. 



Chemical and physical research divi- 

 sion, 78. 



Chemistry, research in, 48. 



Chief clerk, office of, 73. 



Coal land law, 60. 



Coal lands, withdrawn from entry, 

 63; systematic classification of, 67. 



Coastal plain investigations section, 

 76. 



Coast and Geodetic Survey, survey 

 work of, 6. 



i59 



