272 



INDEX 



Section No. Page 



Fathogram(s) 



care of 5-32 143 



chop or swell, interpretation 5-122 189 



forwarding - 5-32, 7-24 143, 253 



grass, interpretation 5-122 189 



identification. Stamp No. 31 1-57, 5-31 19, 142 



initial trace 



adjustment 3-80, 5-55 76, 151 



Correction for variation 



of— 5-109, 5-122 178, 189 



kelp, interpretation — 5-122 189 



Notations on— 1-37, 5-31, 5-55 13, 142, 151 



official permanent sounding record 5-84 162 



paper speed check 3-91, 5-111 81, 179 



phase 



corrections 5-112 180 



identification on— .1-37, 5-31, 5-55 13, 142 ,151 



Position identification on — 5-31, 5-55 142, 151 



Frequency (ies) (continued) 

 in echo sounding (continued) 

 controlled 



scanning 



general requirements 

 improper interpretation 



when — 1-34, 6-87 



shoals, indications of 1-27, 5-68 



Side echoes on — 5-66, 5-122 



storing 1-37 



strays 1-34, 5-122 



Fathometer (see 808 Fathometer) 

 Fathoms 



Atlantic Coast use — - 1-38 



not used on a sheet with 



soundings in feet 5-30, 5-63 



use in Edo 255 sounding 



operations 1-38, 3-87 



Features 



Charted—to be verified 1-5, 5-15 



7-17 



...--... 7-17 



Coastal — terminology 

 Submarine — terminology 

 Field examinations 



definition 



registration and filing- 



1-34, 5-121 12, 188 



12, 230 



9,156 



155, 189 



13 



12, 189 



13 



142, 153 



13,80 



2,134 

 247 

 247 



Field inspection (photogrammetry) 

 shoreline 



report required . 



2-3 

 6-78 



4-16 



4-17 



Field numbers of surveys 



boat sheets 1-13, 5-8 



planetable sheets -.- 4-23 



Field work, 



progress reports required 2—43, 2-44 



Season's report 2-45 



Film positive of 



boat sheet, use in smooth 



plotting 5-63, 6-^7 



topographic sheet, for transfer of 



shoreline 5-14 



Fix (see also Position, hydrographic) 



frequency of 1-30, 5-36 



strength of 1-30, 5-38 



Flags, International Code 2-31,2-32 



Flat bottom, line spacing over — 5-17 



Flats, bare at low water...„, 1-25, 5-17 



I lats, low water limit on 



smooth sheet - — 6-28, 6-64 



Flats, sounding with pole on — 3-64 



Fractional depths 



conversion 5-123 



how shown on smooth sheet 6-57 



where required on smooth 



sheets 6-55, 6-63 



Frequency (ies) 



in echo sounding 



general — 3-96 



21 

 228 



117 

 117 



5,129 

 118 



35 

 36 



153, 214 



134 



10, 143 



10, 144 



30 



135 



8,135 



208, 223 

 69 



192 

 219 



219, 223 



sonic 

 supersonic 



Section No. 



3-77, 5-120 



„.- 3-97 



3-98 



variable 3-85, 5-120 



EPI 3-24 



Raydist 3-49 



Shoran 3-36 



Frequency of soundings 1-33, 5-29 



G 



Geodetic control — (see Control and 

 Triangulation) 



Geographic datum 



changing on survey sheet 6-103 



Discussion of — — 6-102 



Geographic name(s) 



accuracy in reporting 1-54, 2-41 



Assignment of new — . 7-16 



Disputed— 2-41, 7-15 



General discussion of — 1-54 



Inking — on smooth sheet. — 2-41, 6-72 



Investigation of — 2-41, 7-14 



listed in descriptive report 2-42, 7-7 



New— -- 7-15 



review by Geographic 



Names Branch 6-72, 7-13 



Special report on— .1-54, 2-41, 7-14 



Page 



74, 188 

 84 

 84 



80, 188 

 53 

 62 

 58 



11, 141 



236 

 235 



18,34 



246 



34, 246 



18 



34, 226 



34, 245 



34, 244 



246 



226, 245 



18, 34, 245 



226 



112,118 



83 



Smooth sheet — placement on 6-72 



Graphic control surveys 1-17, 4-3, 4-21 6, 

 Graphic determination of velocity 



corrections 5—118 185 



Graphs, velocity correction 5-117 182 



Ground station shelter 4-38 123 



Gyrocompass 2-28 29 



H 



Half-cosecants, natural, (Table) 7-31 264 



Half-foot soundings, use on 



smooth sheets 6-55, 6-63 219, 223 



Handlead soundings 



Correcting — for leadline 



error . ... 3-67, 5-103 71, 175 



to supplement echo soundings 5-18 136 



vertical cast comparisons. 5-93 165 



Hand sounding machine — 3-71 72 



Harbor (s) 



Bottom samples in — -. 5-76 159 



Sounding line spacing in — 1-25, 5-26 8, 140 



High-water line (see Shoreline) 

 Horizontal control (see Control and 



specific type of station) 

 Hours, numbering in sounding record 1-32 10 



Hydrographic 



data, indexed in sounding 



records 1-32,5-99 10,172 



sheet (s) (see also Boat sheet and 

 Smooth sheet) 



Depth unit, only one to a — 1-38 13 



index of 7-3 241 



junction — — 2-20 26 



layout -.- 1-7, 2-20 2, 26 



numbering - 1-13, 1-14 5 



orientation 2-21 27 



sizes 1-8, 2-22 2, 27 



transmittal of -- 1-44 16 



signal (s) 



building - 4-28 119 



definition 4-29 120 



Materials used in — 4-30 120 



natural objects 4-29 120 



on private property 4-31 121 



