INDEX 



Page 893 



Reference 

 No. 



Bomb signal prolongation 6432 



Bonnycastle, Charles 512 



Books, reference (list) 953 



Miscellaneous (list) 9534 



Booster, amplifying, at R. A. R. shore stations. 2614 

 Bottom, sea (see also under Submarine) 

 characteristics 384 



abbreviations, standard (illustrated) 1^ jog 



Adjectives not capitalized 783 



Nouns capitalized 783 



Use of — |7g3 



Anchor, from material on 3841 



Classification of 3843 



Coast Pilot requirements 916 



colors 3847 



composed of more than one constituent 1845 



Detached positions, at 8144 



Detached shoals, required on - {3842 



Determination of 384 



by feel {^^^l 



by leadsman 3416 



in fine sand 3841 



in pebbly bottom 3841 



in rocky bottom _3841 



in soft mud "3841 



on each shoal {3842 



duplication unnecessary 351 



Echo soundings, effect on 5144 



Feeling with lead _.. 3416 



Frequency 3842 



on smooth sheet 783 



Importance of ^— in harbors, in anchor- 

 ages, and on shoals 783 



inked in Washington Office 783 



Inking 93336 



Lead, sounding, obtaining on 14664 



legends, how composed 3843 



Lettering on smooth sheets, size and 



style 783 



Material, types of 3844 



Methods of determination 3841 



Miscellaneous indexed in Sounding 



Record 3842 



Miscellaneous recorded in Soimding 



Record 3842 



Nature of materials 3846 



Placement on smooth sheet.. 783 



recorded in Sounding Record 8144 



Rk and rky, correct usage 9334a 



Sediments, classification 3845 



Smooth sheet requirements 783 



Snapper, obtaining with 3841 



13843 



Standard abbreviations for -^783 



\fig. 189 



Stopping vessel specially for 3842 



supplemented from prior surveys 783 



symbolization 783 



Underway, determining 3842 



Value of 384 



configuration, eflect on R. A. R. (see Sound 

 propagation and Sound transmission) 



core samples 476 



Instruments for obtaining 4762 



Lengths obtainable 4762 



Scientific value of _ 476 



Irregular 



Echo sounding over 563 



illustrated on fathograms 571d 



material, eflect on R. A. R. (see also Sound 



transmission) 623 



material, effect on strength of R. A. R. 



positions 6824 



sample devices 476 



samples (see Bottom, sea, characteristics) 



slope, effect on R. A. R. 6231 



slopes, echoes from (see Reflection of sound 

 from bottom slopes and Slope, bot- 

 tom) 



specimen cup, description 4744 



temperature, measurement of _ _ _ 6321 



types (see Bottom, sea, characteristics) 



Boundary (State) data, where found 916 



Break-circuit chronometer (see Chronometer, 



break-circuit) 

 Breakers (see also Rocks, sunken) 



Coast Pilot requirements... 916 



Location of 364 



Report of 364 



Page 

 598 

 439 

 869 

 871 

 150 



301 

 303 

 fol. 888 

 738 

 738 

 305 

 738 

 302 

 303 

 839 

 305 

 305 

 764 

 282 

 302 

 301 

 302 

 305 

 253 

 302 

 302 

 302 

 302 

 282 

 302 

 268 

 444 

 253 

 302 

 738 



738 

 739 

 851 

 301 

 398 

 303 



739 

 303 

 301 



303 



303 

 305 

 738 

 764 

 852 

 304 

 738 

 301 

 303 

 738 

 fol. 888 

 302 

 739 

 738 

 303 

 301 



413 

 414 

 414 

 413 



541 

 546 



567 



642 

 413 



410 

 580 



826 

 281 

 281 



Reference 



Breakers- Continued. No. Page 



symbolization on smooth sheet 7862 743 



Bridge (s) 



clearance(s) 916 826 



data, where available 3836 301 



Descriptive Report requirements 842P 790 



field data required.. 3836 301 



Report required 3836 301 



V^ertical 



Field data and Engineers' data differ 7846a 742 



shown on smooth sheet 7846a 742 



data. Coast Pilot requirements 916 826 



information reported by Coast Pilot reviser.. 9133a 814 



regulations 916 826 



Ship 4111 314 



officer 



Duties in handling buoys 285 184 



Duties in taut-wire measurements 4466 356 



Survey activities conducted on 4111 314 



Survey equipment installed on 4111 315 



Bristol board {^^^ g^O 



British Admiralty velocity tables 6343 588 



Broadcasting stations 



located for use as radiobeacons 3835 301 



reported as aids to navigation 3835 301 



Bromide print 



description 1313 16 



size 1313 16 



Brook and run, definition 1682c 55 



Buoy(s) 



Anchors, (see Buoys, survey, anchors) 



Control (see also Buoy-control scheme 



and Buoys, survey) 25 109 



Anchor position determined from three- 

 point fix at buoy 2512 113 



arranged for location by sextant triangula- 



tion 2554 136 



arranged in quadrilaterals for location by 



R. A. R. distances 2574 144 



arranged in quadrilaterals for location by 



sextant 2.555 137 



Azimuths, short, observed between __ 2531 120 



Bombing at (see Bombing at buoy 



stations) 



Bombs exploded near 2533 123 



Buoy Data Book 94 860 



(2514 115 



cut in by sextant from vessel -^2551 132 



(2552 134 



Number of observers required 2514 115 



Cuts to , indexed in Sounding Record. 819? 770 



data, segregating and filing 94 860 



Distance between inline 2541 128 



Distances, short, measured between _. 2531 120 



Geographic positions to be furnished by 



field party _ 9231rf 844 



Graphic determination, scale of 2533 123 



Inshore , locating 2551 132 



Launch hydrography, for 2461 107 



Lines of 



Azimuths of strengthened 2552 134 



Distance between 2542 129 



for traverse only, distance between 



buoys 2541 128 



located by sextant from ship stations 



forming quadrilaterals 255S 135 



located by taut-wire traverse 2561 138 



located with reference to sono-radio 



buoys 2574 146 



Offshore located by sextants from 



vessel. 2552 133 



oriented for sun-azimuth observations.. 2543 129 



perpendicular to shore 2553 134 



substituted for shore stations 2551 132 



located by 



astronomic observations 2535 124 



cuts plotted graphically _• 2552 134 



directions from shore stations.. 2521 117 



one angle at buoy and a direction from a 



shore station 2522 117 



Theoretical strength of location 2522 117 



one angle at buoy and a sun azimuth 2523 118 



one angle at buoy and one cut from a 



three-point fix 2515 116 



R. A. R distances _ 2533 121 



Buoys arranged to avoid sound trans- 

 mission difficulties 2574 146 ■ 



Buoys required, number of 2574 145 



Data recorded in Bomb Record. {ttW 777 



Distance errors where there are inter- 

 vening shoals 2574 146 



Graphic determination 2573 144 



Measuring the time intervals 2533 121 



Records required 8324 781 



