Page 900 



INDEX 



Befcrence 



Dead reckoning— Continued. No. 

 sounding lines 



Abstract ou control data-. 3377 



adjusted to partial control data 3376c 



Control data, miscellaneous 3376c 



Fixed position at end of 33766 



Fixed position at start of _ -. ■{3,^ 



Numberimg positions on 3311 



Position frequency requirements 3313 



Running 3376 



Speediu 3374 



Speed or log factor determination 7651 



Stops, elimination of, in 3374 



supplementing astronomic observations 3371(3) 



supplementing R. A. R 17652 



Wind and current allowance _ ^ _ 3375 



Decimals 



Smooth sheet, use on 7734 



Smooth sheets, where required on 7714 



Sounding, use in 8143 



Declination, magnetic 



Definition 4413 



Where to find value of 4415 



Deep, definition 16816 



Deep-sea depressions, terminology 16816 



Deep-sea elevations, terminology 1681c 



Deep-sea soundings (see Echo sounding expedi- 

 ents and Wire soimdings) 



Deficiencies of smooth sheets 795 



Definitions (see also specific term) 



of sea and port terms, where found Igj^ 



Degrees and minutes, symbolization 7323 



Degrees, centigrade and Fahrenheit, conversion 



tables 963 



Degree-volume of a thermometer 4712 



Density of sea water (see also Salinity) 



Apparent , definition 6331 



Observed , definition 6331 



Deposits, marine (see also Bottom characteris- 

 tics and Silted areas) 



Geographic distribution of _. 3848 



Types 3844 



Depression(s) 



Definition--. 16816 



in irregular bottom, soundings required in... 3433 



Depression angles 



Accuracy 3362 



Formula for determining distance 3362 



Limitation of use <. 3362 



to buoys 25 



to objects in water 3353 



Depth (s) 



at crossings (see Depth differences and Sound- 

 ings at crossings) 



Changeable , date of sounding data re- 

 quired 916 



Changes in , positions at 3312((f) 



/ \ /353 



curve(s) j^yg 



foeo 



Abnormal disclose survey faults. 17772 



Boat-sheet 3254 



Interval between 3533 



Coastal shelves, type of on 353 



Color representation (table S7) - 776 



Contours on adjacent land, similarity to... 3531 



defined by half-foot soundings 7713(/) 



Definition 776 



delineation 7762 



Evidence of adequacy and accuracy off353 



survey. 17772 



Evidence of errors in soundings 774 



Examination of 93426 



Horizontal displacement 3571 



Ill-defined , symbolization 7762 



Inking on smooth sheets 1 9336 



interrupted at soundings and positions 7762 



Nonstandard , where used 7761 



Omission of selected 7761 



Penciled left on smooth sheet 7761 



Puprose 776 



Safety considered in drawing 7762 



Selection 7761 



Smooth-sheet , when inked 776 



Smooth sheet representation patterned 



after boat sheet 7762 



symbolization (table S7) 776 



Topographic experience valuable in draw- 

 ing 353 



d ifler consistently from prior data 3521 



Page 



237 

 236 

 236 

 236 

 236 

 238 

 213 

 214 

 236 

 235 

 709 

 235 

 234 

 705 

 709 

 236 



724 

 715 

 762 



336 



338 



54 



54 



54 



830 

 841 

 669 



883 

 402 



584 



584 



305 

 303 



54 

 258 



228 

 228 

 228 

 110 

 226 



830 

 213 

 270 

 730 

 270 

 733 

 210 

 271 

 270 

 730 

 270 

 715 

 729 

 731 

 270 

 733 

 725 

 855 

 275 

 732 

 732 

 853 

 731 

 730 

 730 

 730 

 729 

 731 

 730 

 730 



731 

 730 



270 

 269 



Reference 

 Depth(s)— Continued. No. 



differences (see also Soundings at crossings) 



Allowable {^^^} 



based on depth curves.. 3571 



at crossings. 3571 



Inspection of 9342a 



Causes 7771 



Descriptive Report requirements. 842K 



Examination of required 7771 



Field investigation required.. 3571 



Horizontal-position errors causing 3571 



Resounding required 3571 



measured by use of reversing thermometers.. 4715 

 measurement(s) (see also Echo soundings; 

 Handlead soundings; Soundings; and 



Wire soundings). 311 



accuracy requirements 3111 



methods, approved 3114 



methods noted in Descriptive Report 842// 



methods, obsolete 3115 



units 124(a) 



Rules for various depths and instnaments. 3112 



measuring apparatus 46 



Oceanic terminology, definition. 16816 



registering devices (see Registering devices 

 and under name of specific instru- 

 ment) 



unit (s) 771 



Atlantic Ocean 7711 



Changing in Sounding Record 8143 



Coast Pilot usage 916 



conversion 7716 



for various depths and conditions (table S9).. 8143 



One only on one hydrographic sheet.. 823 



Pacific Ocean 7712 



Rules for various depths and instruments . 3112 

 Depth layers in velocity of sound determina- 

 tions 



Adjustment for unequal 15613(6) 



Selection of ----{56I3 



Depthometer, Bludworth (see Bludworth 

 Depthometer) 



Description of stations (see specific type of sta- 

 tion) 



Descriptive geographic names 164 



Descriptive Report(s) 84 



Additions inserted at Washington Office 844 



Aids to navigation, nonfederal, report on 3834 



Aids to navigation reports to Coast Guard 



mentioned 853 



Approval by Chief of Party 8437 



Bearings, recommended, to be described 356 



Bdat sheet notes to be incorporated in — — .. 84 



Coast Guard, reports to, mentioned 3832 



Coast Pilot information duplicated 855 



(84 

 842 

 {841 

 843 



Courses recommended, to be described 356 



cover 8411 



Cross references, use of 84 



Custody of , at Washington Office 931 



Daily journal for |^^^ 



Value to smooth-sheet plotter 76 



foco 



Dangers and shoals disproved, report on 13591 



Dangers previously reported, to be men- 

 tioned 8522 



Data prepared on seasonal basis 84 



deficiences, typical 845 



Depth discrepancies between two adjoining 



surveys, investigation reported 3132 



Geographic name data to be included.. Ilgg 



Least depths cleared by drag reported 3663 



Least depths, unverified, reported 3521 



Low-water line not developed, justified 3122 



Marginal notations by reviewer 9346 



notes furnished to Processing Offices 9231/ 



One serving for several hydrographic 



sheets 84 



Preparation of 84 



at Processing Offices 9241(ft) 



Purpose 84 



Ranges recommended, to be described 356 



Reviewer's use of 9346 



Rock data disproved, to be explained 363 



Routed to interested sections. 8446 



Sequence of contents <g^i 



Shoreline omitted from boat sheet, explained. 3232 



Page 



275 

 732 

 275 

 275 

 855 

 732 

 789 

 732 

 275 

 275 

 275 

 403 



191 

 191 

 192 

 788 

 193 



15 

 192 

 383 



54 



714 

 714 

 762 

 830 

 715 

 763 

 773 

 715 

 192 



532 

 533 

 529 

 531 



50 

 786 

 792 

 300 



799 

 792 

 274 

 786 

 300 

 804 

 786 

 787 

 786 

 790 

 274 

 786 

 786 

 847 

 306 

 786 

 697 

 268 

 268 



797 

 786 

 793 



195 

 50 

 805 

 283 

 269 

 194 

 857 

 844 



786 

 786 

 845 

 786 

 274 

 857 

 281 

 793 

 786 

 790 

 207 



