INDEX 



Page 925 



Reference 

 No. 

 Shade glasses, sextant (see Sextants, navi- 

 gating shade glasses) 



Shallow depths, sounding with pole 4«1 



Sheave factor (see Registering sheave) 

 Sheave, registering (see Registering sheave) 

 Sheel(s) 



Aluminum (see Aluminum sheets) 



Boat (see Boat sheet) 



"Circle" (see also "Circle" sheets) 37 



Hydrographie (see Boat sheet, Hydro- 

 graphic sheet, and Smooth sheet) 



index 8413 



layout 1361 



Considerations required in making — ^ — . , 1361 



Making 1361 



Progress sketch , included on 851 1 



Tahle for use in 1361 



Washington Office, made in _ 1365 



[^lotting .auxiliary _ 713 



Smooth : (see Smooth sheet) 



Ship (see also Vessel) 



Control station, used as a floating _. 3365 



equipment for handling buoys 285 



hydrography, i)ersonnel needed for 142 



intersection method of locating control 



stations 2282 



maneuvers . 



Buoy, aitproaching an anchored . , 285 



Buoys, anchoring and weighing 285 



Buoys, mooring 2851 



Buoy, alongside a.-, 2512 



Serial temperatures, while observing _ 6321 



Sounding, during 346 



S-turn to get on sounding line 3464 



Taut-wire measurements \i4(,t 



Turns between closely spaced lines 3454 



Two sounding vessels on parallel lines at 



turns ._ 3366 



Wire soundings, while taking 3422 



office 4114 



position determined in R. A. R _.. 61 



Risks in surveying shoals 361 



stations, R. A. R. (see R. A. R. stations, ship) 



Survey 



bridge 4111 



Description, general 411 



drafting room 4113 



office 4114 



pilothouse 4111 



radio room 4112 



swing 



Pier, alongside a 4415 



Precautions when making 4415 



Procedure for 4414 



Radio direction finder, to calibrate.-. 4442 



When required 4415 



Ship's run correction (see R. A. R. ship's run 



correction) 

 Ships, survey, of the Coast and Geodetic 



Survey 41 



Cruising radius of 41 



Dimensions and particulars (tables) 41 



Fuel capacity of 41 



Shipments, mail, weight limitations 836 



Shoal(s) (see also Dangers to navigation, and 

 Least def)ths) 

 areas 



Detached 



Radiating sounding lines on 3142 



Sounding lines referred to buoy on . . 3142 



Sounding-line systems for 3141 A 



Extensive 



Development of 367 



Least depths on , determination of. - 367 



surveyed at high tide 3661 



wire-dragged to prove them clear 3663 



Offshore , development of. 368 



Unsoundable 



Depth estimated on 3255 



Symbolization l^JH 



bare at sounding datum, limits shown on 



smooth sheets 7862 



Bottom characteristics on each 366 



Changes in due to waves and currents.. 355 



Coast Pilot requirements-. 916 



Currents, varying, in vicinity of 3464 



Danger in surveying 361 



Definition -{916^* 



Descriptive Report requirements 842Ar 



detected visually from elevated positions 3465 



Discovered , all to be investigated during 



season 366 



Page 



787 

 23 

 23 

 23 



791 

 25 

 26 



660 



230 

 183 

 29 



184 

 183 

 186 

 113 

 579 

 263 

 267 

 121 

 357 

 263 



232 

 256 

 318 

 555 

 276 



314 

 311 



317 

 318 

 315 

 316 



338 

 338 

 337 

 347 

 338 



311 

 311 

 312 

 311 



785 



200 

 200 

 199 



285 

 285 

 283 

 283 

 285 



211 

 211 

 743 



743 

 282 

 273 

 838 

 266 

 276 

 55 

 838 

 789 

 267 



282 



Reference 

 Shoal(s)— Continued. No. 



Evidence of 362 



Examination of 366 



Shoal data required in Sounding Record... 815(/) 



Sounding Record requirements 3666 



Time used on each in Sounding Rec- 

 ord 815(/.) 



Fatho<rrams, on 



Indenfifyiny 571e, ,' 



Indications true and false, illustrated fio. 118 



Investigating indications 571e 



indications 



Boat sheet, noted on, for further ex-/3242 



amination . . \362 



Examination of kept current 366 



Fathogram , investigating 571e 



from systematic sounding lines. 3621 



in less than 10 fathoms to be examined 3621(0) 



rising 10 percent of the depth, to be ex- 

 amined 362U'j) 



Sounding-line system to give 31.54 



Isolated , surveying using one buoy as 



control 3361 



Leadsman, seen by 3416 



Low tide, seeking at 3661 



Marker buoys, use on 3665 



Prior surveys on, to be verified 3234 



Reported 



Investigation of 13236 



Report required 172 



Trustworthiness of report 172 



Size to be recorded 3666(rf) 



surveyed by closely spaced sounding lines 3662 



Uncharted (see also Shoals, reported). . 3622 



Visibility of bottom to be noted 3666(c) 



water 



Depth units to be used in 3112 



Sounding instruments to be used in .. 3113 



Sounding methods to be used in . 3113 



Shoal-water buoy 



Description 2823 



dimensions 2823 



Shock excitation of magnetostrictive transmit- 

 ting units 5161B 



Shore 



Coast Pilot requirements 916 



Definition '. 1^^^'' 



Spacing requirements for sounding lines near 



3153 



Shoreline (see also High-water line) 



Boat sheets, on 3232 



C hart and survey , definition 752 



Curved , radiating sounding lines ofl 3142 



Definition 16826 



Distances to from triangulation stations. 227 



Hydrographer's determination of 381 



Inking on smooth sheet. 752 



revised by hydrographer 3811 



Symbolization ---{753^ 



Sketched 3812 



Methods of determination. 3812 



Symbolization on boat sheet 3812 



Symbolization on smooth sheet 753 



to complete season's work 3812 



Smooth sheets, on 9334 



Shore parties 



Bases for , selection of 1351 



Communication with 1351 



Disadvantage of in isolated areas 1351 



Provisioning 1351 



Trucks used by 135 



Shore stations, R. A. R. (see R. A. R. stations, 

 shore) 



Shot, deep-sea - 14744 



Sights (see Astronomic observations. Star sights, 



and Sun sights) 

 Signal(s) (see also Control stations. Hydro- 

 graphic signals, and Hydrographie 

 stations) 

 building (see also Hydrographie signals, 



Signal cloth, and Whitewash) 27 



in water (see Water signals) 



on private property 271 



on public reservations 271 



supplies 271 



A vailability at start of project 137 



Tall signals 272 



cloth.. 275 



Colors .275 



General Schedule of Supplies number 275 



Superiority over whitewash or paint 275 



Danger by whistle 1585 



Page 

 277 

 282 

 766 

 285 



766 



.546 

 547 

 546 



208 

 277 

 282 

 546 

 277 

 278 



278 

 203 



228 

 253 

 283 

 284 

 207 



56 

 207 

 57 

 56 

 285 

 283 

 278 

 285 



192 

 192 



192 



166 

 16(; 



838 

 55 



203 



206 

 693 

 199 

 55 

 82 

 296 

 693 

 296 

 296 

 693 

 296 

 297 

 297 

 693 

 297 

 851 



22 

 23 

 22 

 23 

 22 



398 

 410 



153 

 153 

 153 



27 

 153 

 160 

 160 

 161 

 161 



45 



