300 



INDEX. 



New York State survey 5 



Northern transcontinental surrey 3 



Odometers 87 



Office work 128 



Organization of parties 41 



lVims\ Ivania State survey 5 



Personal eq nation 35 



Piracy 116 



Plan of map of United States 6 



Plane table 79 



sheets 82 



Primary elevations 77 



triangulation 48 



prosecution of work 63 



selection of stations 49 



Private surveys 5 



Profiles of streams 112 



Projections 129 



Public land surveys, plan of 1»H 



utilization of 101 



Railroad profiles 6 



surveys 5 



Reduction to center 65 



Reports 125 



Right ascension 17 



Rocky Mountain region, survey of 3 



Scale of United States map 7 



Secondary triangulation 79 



Sidereal time 17 



Signals and observing towers in triangulation 51 



in triangulation 50 



Sinks, origin of 115 



Size of sheets 10 



Sketching 14-106 



Solar time 17 



Spherical excess 65 



Stadia measurement 9'J 



Station error 35 



Station adjustment 66 



Support for astronomical transit 21 



Surveys under United States Government 2 



Talcott s method 17 



Theodolites fur triangulation 54 



Three-point problem 83 



Time determination, example of record 32 



observations for 28 



red net ion of 29 



Titles of maps 130 



Topographic features, origin of 108 



forms, influence of structure upon 117 



parties, distribution of work in 91 



Transportation Ill 



Traversing 12. 13 



Traverse lines for primary control 75 



work 85 



plane tables for 86 



Triangulat ion 12 



Uplift 108 



Water gaps 116 



Weathering Ill 



Wind gaps 116 



Zenith distance >. 17 



telescope and astronomical transit 18 



16 A 





