274 



INDEX 



Low-water line 

 definition 



determined by 



photogrammetric surveys. 



soundings 



development 



symbolized on smooth sheet 



M 



6-28 



2-16 



-1-25, 5-17 



5-17 



_6-28,6-64 



Machine, sounding, (see Sounding 



machines) 

 Magnetic (s) 



anomaly 



compass error 



observations 



Instructions for — . 

 Shore — frequency 

 Manuals, survey, list of - 



2-11 



2-28, 3-4 



2-11 



2-11 



2-2 



Page 



208 



24 



8,135 



135 



208, 223 



23 

 29,44 



33 

 23 

 21 



Mannscript(s), photogrammetric map 

 advance 



defined 4-12 (c) 



Signals located on — 4-15 



smooth sheet use 6-26 



classification of 4-12 



field inspection of 4-16 



incomplete 

 defined 



field inspection required _ 

 preliminary 



defined 



4-12(b) 



__ 4-14 



limitations on use of_ 



4-12 (a) 

 4-13 



Transfer to boat sheet from — 5-14 



verification of alongshore details 5-67 

 Marigram(s) 



forwarding 2-52 



tabulation of hourly heights 

 from 



Time meridian shown on — 

 Marine vegetation, limits on smooth 



sheet 



Marker buoy, use of 



Mean high water datum, use of 



Mean sea level datum, use of 



Meter bar 



1-46, 2-52 

 1-46 



Mirrors, sextant. 



6-40 

 5-69 

 6-25 

 6-25 

 3-138 

 3-12 



N 



Names, geographic, (see Geographic 



names) 

 Names, control stations 4-37 



list of (Table 6) 4-37 



placement on sheets 



retention of original ._ 

 symbols and lettering. 



Nansen bottles 



Nautical chart(s) 

 accuracy 



-5-10, 6-15 



5-10 



1-21 



3-121 



agencies, inspection of ._ 



inspection reports required- 



surveys compared with 



Navigation 



aids to, (see Aids to navigation 



and Buoys) 

 equipment 



1-2 



2-38 



2-37 



-5-66, 6-104 



rules for survey vessels _ 



Safety in — 



Nomenclature 



for landmarks 



geographic names 



Nonfederal aids to navigation _ 

 North American Datum of 1927„ 



3-4 



2-32 



2-30 



7-21 



7-17 



5-81 



.4-6, 6-103 



115 

 116 

 207 

 115 

 116 



115 

 116 



115 

 115 

 134 

 155 



39 



16,39 

 16 



212 

 156 

 207 

 207 

 107 

 47 



123 



123 



129, 203 



129 



7 



97 



1 



33 



33 



155, 237 



44 

 30 

 29 



250 



247 



161 



113, 236 



Notes 



Boat sheet — 



Descriptive — on smooth sheet. 

 Notice to Mariners, current stations 



reported 



Numbers, 



boat sheet, field- 



Section No. 



-5-63,5-67 



registry, hydrographic survey _ 

 Numerals used in smooth sheet 

 soundings 



orientation 



placement 



size 



6-41 



1-47 



1-13 

 1-14 



6-14, 6-59 

 6-59 

 6-56 



Numerical determination of velocity 



corrections 5-117 



o 



Obstructions to navigation 

 location and reporting.. 



visible, identified on smooth sheet 

 Oceanographic observations 



general requirements 



project instructions 



symbols on progress sketch. 

 Oceanographic winch 

 general use . 



sotmding with . 



Odessey protractor. 

 Officer in charge, duties . 



5-72 

 6-39 



_ 1-48 

 _ 2-12 

 _ 2-44 



_ 3-111 



_ 3-74 



. 3-22 



_ 5-52 



Office work, progress report required 2-43 



Operation (s) 



combined 1-3,2-1 



electronic control equipment 2-35 



plan of 2-15, 2-16 



ship 2-29 



shore party 2-25 



small boats 2-33 



One-barrel survey buoy 4-33 



Orientation of 



lettering on smooth sheets 



sheets 



Overlap of adjoining surveys 

 Discrepancies at — 



Transfer of soundings at — . 

 Overlay (s) tracing 



boat sheet use 



6-14 



-1-11, 6-7 



1-29,5-16 



.5-74, 6-73 



6-91 



supplementing smooth sheet . 



5-15 

 6-44 



Paper, drawing 



aluminum mounted, 

 boat sheet 



boat-smooth sheet- 

 calibration 



seasoning 



sizes 



smooth sheet 



.5-6,5-9 

 -1-9, 5-6 

 5-5 

 5-9 

 6-8 

 1-8, 5-6 

 6-3,6-8 

 Passages, spacing sounding 



lines in 1-25, 5-26 



PDR (see Precision Depth Recorder) 



Pens, selection and testing 6-17 



Pencils, selection and use of 6-16 



Personnel, surveying 



echo sounder operator 5-105 



junior officer, training of. 5-52 



recorder, duties of . 5-54 



rotation and training 2-29, 5-57 



training 



astronomic observations 5-129 



small boat work 2-33 



survey operations 2-18 



Phasing in echo sounding (see 

 specific instrument) 



Faee 



153, 155 

 212 



17 



5 

 6 



203, 220 

 220 

 219 



182 



157 

 212 



17 

 23 

 35 



90 

 73 

 51 

 149 

 35 



1,21 

 32 

 23,24 

 29 

 28 

 31 

 121 



203 



4,202 



9,135 



158, 226 



231 



134 

 213 



128, 129 



4,128 



127 



129 



202 



4,128 



200, 202 



8,140 



204 

 204 



175 



149 



149 



29, 151 



195 

 31 

 25 



