Page 898 



INDEX 



Control— Continued. Reference 



station(s)— continued. No. 



description— continued. 



on boat sheets 3231 



Transmitting - 854 



Descriptive Report requirements 842F 



Errors in positions of -- 244 



Explanatory notes required on smooth 



sheet-. 781 



Floating (see Buoys, control) 



Frequency in spacing of 212 



Hydrographic 



Miscellaneous methods of locating .. 239.3 



{832 

 8321 

 (3231 



in sounded areas, descriptions required -{7444 



1781(c) 



List required in Sounding Record 819/ 



located by 



buoy-intersection method 2283 



Classification of 2284 



geodetic methods resulting in less than 



third-order accuracy 228 



offset traverse along a coast 2284 



one angle and a range 2281 



Classification of 2281 



sextant, records required 8321 



ship-intersection method 2282 



Classification of 2282 



three-point fixes 2285 



Classification 2285 



computed 7416 



Requirements 2285 



unusual methods described in Descrip- 

 tive Report 842F 



{2282 

 2283 



names (list) 965 



Agreement between boat sheet, smooth 

 sheet, topographic sheet, and Sound- 

 ing Records 7441 



Agreement between boat sheet and 



Sounding Record 3245 



Agreement in overlap of two sheets 7441 



assigned arbitrarily 2151 



assigned by hydrographer 3231 



Assigning 2151 



T5 * I, t /3231 



Boat sheet 13245 



Bomb Record entries 8311e 



Duplication of 215(/) 



Hydrographic , preferred arrange- 

 ment on sheet 2153 



Important in capital letters 7442 



Inking 744 



Colors used in 744 



in sounded areas, inking to be deferred.. 7443 

 Leroy template and pen to be used 7442 



Lettering, size and character 17442 



Lettering, size of Leroy template 7231 



List of in Sounding Record 2154 



not to be changed 215(6), 



Number of letters used in 2151 



Orientation on sheet 7443 



Overlap of sheets, agreement of in.. 7441 



placed on sono radio buoys 2814 



Placement with reference to symbol 7443 



Preferred types 215(d) 



Purpose 215 



repeated in Sounding Record _ 8146 



Selection of 2152 



Survey buoy --{286 



When assigned 2155 



Other organizations' 



Geodet ic connection to 216 



identified on smooth sheets 781(e) 



Topographic connection to I23S 



plotted on smooth sheet before inking pro- 

 jection 7323 



Plotted positions to be verified 745 



Plotter's and verifier's initials recorded 746 



Plotting 74 



by cuts 7415 



by dms. and dps 7411 



by tracing-paper transfer 7413 



with latitude and longitude scales 7412 



with proportional dividers 7414 



with three-arm protractor 7416 



Position errors 244 



Relocation of 244 



Selection for a three-point fix 3333 



Signal building and 21 



(0 



Page 



206 

 804 

 788 

 105 



101 

 779 



779 

 206 

 690 

 734 

 770 



84 



, 87 

 84 

 84 

 779 

 85 



687 



788 

 85 



209 

 690 



64 

 206 



64 

 206 

 209 

 777 



64 



65 



690 



C89 



689 



690 



690 



689 



690 



664 



65 



64 



64 



690 



690 



165 



690 



64 



64 



764 



65 



188 



188 



66 



67 

 734 

 67 

 94 



669 

 691 

 691 

 683 

 687 

 684 

 686 

 685 

 686 

 687 

 105 

 105 

 217 

 59 



Control-Continued. Reference 



station(s)— continued. ^°- "*S® 

 spotted from photographic detail, sym- 



bolization 743(<i) 688 



symbol(s) 743 688 



made with drop-bow pen 743 688 



Plotting soundings near 772 719 



points on sheet blackened by pencil, not 



ink 743 688 



Temporary for hydrographer's use 234 91 



Three-point fix, strength of various ar 



rangeraents 3332 217 



Unused crossed out on boat sheet 3245 209 



Unused not shown on smooth sheet... 74 683 



terms, definition- - 211 59 



Controlling depth notes on charts compared 



with smooth sheets 93456 857 



Controlling hydrographic survey (see Horizontal 



control) 

 Conversion tables 



Depth units and fractions. - 7716 716 



in Coast Pilot 916 835 



Miscellaneous 963 882 



Linear distances (fathoms - meters - feet - 



yards) 963 882 



Linear distances (nautical miles-statute 



miles-kilometers) 963 883 



Mapscales 963 884 



Temperatures (centigrade-Fahrenheit) 963 883 



Coordinates (see Plane coordinates) 



Coring instruments 4762 414 



Impact type 4762 414 



Piggotgun 4764 415 



Vacuum lead type 4763 414 



Corrections, slope (see Echo soundings, correc- 

 tions to, slope) 

 Corrections to echo soundings (see Echo sound- 

 ings, corrections to, and Velocity of 

 sound corrections) 

 Corrections, velocity (see Velocity of sound 



corrections) 

 Correspondence 



containing coast pilot information 9123 810 



of Processing Offices 926c 846 



Cost apportionments 156 42 



Cost data required in season's report 8515(3) 796 



Course(s) 



Accuracy in dead reckoning 3372 234 



Changes in 



between positions, indicated on boat sheet.. 3252 210 



Fixing position at 3463 265 



, ,. , ,,. f3421 254 



foulmg leadlme •jj^g ggs 



in dead reckoning 3373 234 



inR.A. R 683 645 



in winding waterways .... 3352 226 



Large , how to plot 3373 235 



Large , how to record 3373 235 



Plotting on .smooth sheet. 7682 713 



Positions to be taken at 3312 213 



Repetition of orders 3417 2.53 



Changing before plotting fix 37b 295 



Changing to follow proposed line 3462 264 



Coast Pilot (see Sailing directions) 



Compass , conversion of (ru/e) 4413 337 



in dead reckoning 3373 234 



in degrees, 0-360 8145 764 



Recommended (see Sailing directions, 



recommended, and Sailing lines) 



recorder, of gyro system 4422(d) 341 



Straight , importance of, in taut-wire 



measurements 4466 357 



Cove, definition 1682a 54 



Cover, smooth-sheet, description and use. l^^a 718 



Coxswain, duties of 3417 253 



Creek, definition l€82c 55 



Creeks, narrow (see Waterways) 



Crest, definition 1C82* 55 



Criftig 6734 634 



Description 6734 634 



operation - 6734 634 



Uses 6734 634 



Crimping tool 6842 647 



Critical angle 



between air and water 6221 562 



between water and ocean bottom 6221 562 



Definition 6221 562 



Critical areas plotted on smooth sheet during 



field surveys. 76 697 



Crosslines (sounding lines) 357 274 



Depth discrepancies (see Depth differences 

 and Soundings at crossings) 



Direction of— -.- 357 275 



Extent required 357 275 



Purpose 357 274 



