INDEX. 
Page. 
Accounts, division of disbursements and 
accounts, work of 19-21 
Administrative branch, organization and 
work of.. 16-24 
Alaska, climate, vegetation, and resources 
of 39 
coast line and islands of 38-39 
field work in, methods of 41 
geography of 33-39 
investigations in, history of 31-33 
map showing progress of 46 
results of 43-48 
location, area, and boundaries of 33-34 
mountains of 34-36 
rivers of 36-38 
Alaskan mineral resources, division of, 
work of 39-48 
Alaskan Range, Alaska, features of 35 
Aleutian Range, Alaska, features of 35 
Anoka, Minn., gaging station at, plate 
showing 82 
Appalachian region, work in, value of 16 
Appointments, record of 17 
Appropriations, amount of 11 
Astronomic location, condition of primary 
control and, map showing 70 
Base lines, measurement of 65 
Bench marks, description of 67-68 
Books. See Library; Publications. 
Bridge gaging station, view of, plate show- 
ing 82 
Cable gaging station, view of, plate show- 
ing 82 
Chemical laboratory, work of 14 
Chemical and physical researches, division 
of, work of 50-55 
Chemistry, section of, work of 50-53 
Chevy Chase, Md., rating current meters at, 
plate showing apparatus for 84 
Classificationofrocksystems, table showing. 29 
Coast Range, Alaska, width and altitude of. 34 
Coast and Geodetic Survey, work of 9 
Computing, section of triangulation and, 
work of 64-70 
Contour lines,derinitionandexplanation of. 58-59 
Contour map, figure showing ideal view 
and 58 
See also Topographic map. 
Cooperation in topographic mapping 60 
Copperplate engraving, method of 114 
Correspondence, filing and reference of 17 
Correspondence, record, supplies, and ship- 
ments, section of, organization 
and work of 16-17 
Page. 
Cripple Creek, Colo., work at 31 
Current meters, apparatus for rating, plate 
showing 84 
description and use of 83-84 
view of, plate showing 84 
Director, duties of 10 
Disbursements and accounts, division of, 
work of 19-21 
Disbursing agents, duties of 20 
Discharge measurements, methods of mak- 
ing 83 
Documents, division of, work of 117 
Editorial division, work of 93-113 
Electric current meter, view of, plate show- 
ing 84 
Engraving and printing, division of, work 
of 14, 113-117 
Exchanges of publications, method of 22-23 
Executive division, organization and work 
of 16-19 
Folios. See Geologic folios. 
Forestry, division of geography and, work 
of 15, 71-74 
Formations, method of representing, map 
showing 39 
symbols used on geologic maps to rep- 
resent 100-101 
Fortieth Parallel Survey, area surveyed by. 9 
Gaging stations, location of, maps showing. 80, 81 
views of, plates showing 82, 84 
work at 82-83 
Geographic Names, cooperation with United 
States Board on 106-107 
Geographical Survey west of the One Hun- 
dredth Meridian, area surveyed 
by 9 
Geographical and Geological Survey of the 
Rocky Mountain Region, area 
surveyed by 9-10 
Geography and forestry, division of, work 
of 15,71-74 
Geologic branch, economic value of work 
of 16 
organization and work of 21-55 
Geologic field parties, location of, map 
showing 28 
Geologic folios, contents of 99-100 
number printed 116 
Geologic formations, method of represent- 
ing, map showing 30 
Geologic maps, editorial work on 98-103 
engraving of, method of 115 
symbols used on, to represent rocks.. 100-101 
uses, scale, method of making, etc 27-29 
203 
