INDEX 



Page 911 



Reference 

 Indicator, echo-sounding instruments— Con. ^o- 



Dorsey Fathometer No. 3- -{table U 



312 Fathometer 5215 



Initial angle, path of sound, definition 6232 



Initial interval, R. A. R., definition 6853(6) 



Initial, R. A. R., definition 6853(o) 



Ink(s), drawing 726 



Celluloid , how to use 7261 



Erasing 727 



Thin to be avoided -- 723 



Waterproof 726 



Inking, pen points recommended 725 



Inking smooth-sheet details, requirements 



(table m 792 



Inland waters, boundaries, where described 916 



Inlet, definition 1682a 



Inserts on sheets (see Subplans) 



Inshore areas, sounded from launches and 



small boats 135 



Inshore areas, sounding line systems for 3153 



Inshore areas, thorough development required. 355 

 Inside routes (see also Intraeoastal Waterway) 



Half-foot soundings required 7713(d) 



Installation of echo-sounding instruments (see 



under name of specific instrument) 

 Instructions for field work (see Project instruc- 

 tions) 

 Instrument(s) (see also Equipment, and under 

 name of specific instrument) 



Accountability for 433 



Coast Pilot field inspection, needed 



(list) 91316 



damaged beyond repair 4331 



Definition, for accountability 43 



Depth-finding 46 



Drafting 48 



Miscellaneous 483 



Echo-sounding (see Echo-sounding in- 

 struments and under name of spe- 

 cific instrument) 



Excelsior, not used in packing 434 



Expend , authority to 4331 



Experimental , report on 8581 



Fathogram soundings corrected mechan- 

 ically 562 



Glass-faced , packing for shipment 434 



invnetory 433 



Lost 4331 



Navigation 45 



Oceanographic 47 



Position-location 45 



requisitions 432 



Sawdust, not used in packing 434 



shipments 434 



Packing 434 



Procedure 434 



received 432 



Damage to be reported to Washington 



Office 432 



Instrument numbers to be checked--.--. 432 



Shredded paper used for packing .- 434 



Survev 



{i»7 

 1371 



Care after use -.. 431 



Care of 4313 



Damaged , returned to Washington 



Office 431 



Damage to be described 4314 



Requisitioning replacements 4314 



dried and oiled after getting damp 4313 



Excess to be returned to Washington 



Office 1371 



inventory 431 



numbers to be entered in survey records... 43 



Oiling after cleaning 4313 



returned to Washington Office, requisi- 

 tioning replacements 4314 



Surplus , returned to Washington 



Office- 431 



Transfer of . 433 



Instrumental error, echo-sounding instrument. 552 



adjustment 55 



on 312 Fathometer 5543 



Cause, most troublesome 552 



compensation 5521 



Computation 5522 



not to be made in Sounding Record - . 5522 



Definition 5521 



determination 5521 



Bar-check method 5521 



by simultaneous comparisons 5521 



Frequency required 5523 



Precautions necessary 5521 



Procedure 5521 



458 

 570 

 653 

 653 

 665 

 665 

 666 

 664 

 665 

 665 



749 



826 



54 



22 

 203 

 273 



715 



811 

 334 

 330 

 383 

 418 

 429 



334 

 334 



805 



539 

 334 

 333 

 334 

 361 

 400 

 361 

 333 

 334 

 334 

 334 

 334 

 333 



333 

 333 

 334 



26 

 27 

 331 

 332 



331 

 333 

 333 

 332 



27 

 331 

 330 

 332 



333 



331 

 333 

 510 

 507 

 517 

 510 

 511 

 512 

 512 

 511 

 511 

 512 

 511 

 512 

 511 

 511 



Reference 

 Instrumental error, echo-sounding instrument— ^^■ 

 Continued. 



Form for determining 5522 



increases registered depth 552 



Magnitude varies with instrument 552 



Soundings, effect on 552 



variation, factors causing ._ 552 



Insular shelf, definition 1681a 



Insular slope, definition 1681a 



Intensity of sound (see Sound, intensity of) 

 Interference of sound (see Sound, interference of) 

 Intersection stations, without check, classifi- 

 cation 211 



Interval between positions (see Positions, hy- 



drographic, frequency) 

 Interval between soundings (see Echo sound- 

 ings, frequency and Soundings, fre- 

 quency of) 

 Intraeoastal Waterway, U. S. Engineer bulle- 

 tins 914 



Intraeoastal Waterway Pilots <aic 



Inventory 



of instruments 433 



of property 433 



Irregular bottom, spacing sounding lines over-ljifi 



Island, definition 16826 



Islet, definition 16826 



Italics, use in text 9136 



J 



Jetties, Coast Pilot requirements 916 



Journal , monthly 156 



Jumps, in sounding lines, from three-point fixes 



observed on buoys 3337 



Junctions, hydrographic survey (see also Hy- 

 drographic surveys, adjoining) 



Adequacy reported in review 9348Z) 



Boat-sheet , soundings transferred at 3233 



Boat-sheet with other surveys shown. . . 3256 



Descriptive Report requirements 842B 



Examination of 9342c 



Notations required on smooth sheets 9335 



Overlap required 3132 



Transfer of soundings on smooth sheets 9335 



Where in disagreement 3132 



with contemporary surveys 3133 



fr 



Kelp ■'^ 



as an aid to navigation 916 



to be reported 36236 



Dangers and shoals disclosed by 36236 



Investigated thoroughly 36236 



Navigational importance of 7864 



noted in Sounding Record 815(3) 



Reflections of sound from or other marine f5145 



growth \571/ 



symbolization 7864 



{0122 

 36236 



Symbolization 36236 



Kerosene, used to clean instruments 4313 



Key, automatic, former use in R. A. R 6852 



Keying circuit, echo-sounding instrument (see 

 under name of specific instrument) 



Kiel powder, use in making transfers 7561 



Kilometers, conversion tables 963 



Knoll, definition 1682e 



Knuckle-skiff, description and use 4246 



Knudsen reversing thermometer frame 4722 



Kodapak cellulose acetate-- 7143(d) 



Koh-i-noor pencils 724 



L 



Lagoon, definition 1682c 



Landfalls described in Coast Pilot 916 



Landing places described in Coast Pilots 916 



Landings, small-boat 1582 



Dangers in making 1582 



Precautions to be taken in making 1582 



Landmark(s for charts) 155 



Area (not sheet) basis of report (JfJ. 



(85.14 



Chart-sections, reporting on 8534B 



Coast Pilot requirements 916 



Coast Pilot reviser, reported by 9133a 



Control stations, used as 7844 



Definitions of terminology 8534C 



Deleted from charts, reporting to be 8534 



Deletion of 155 



Descriptive Report requirements 842 Q 



Duplicate of report for Coast Pilot 9122 



Page 



512 

 510 

 510 

 510 

 510 

 54 

 54 



59 



823 

 823 

 833 



333 

 333 



202 



203 



55 



55 



821 



834 

 42 



858 

 207 

 211 

 787 

 855 

 853 

 195 

 852 

 195 

 195 



834 

 279 

 279 

 279 

 744 

 766 

 445 

 546 

 744 

 194 

 279 

 280 

 332 

 651 



883 

 55 

 328 

 406 

 663 

 664 



55 



834 



834 



44 



44 



44 



40 



41 



800 



801 



834 



814 



741 



803 



800 



41 



790 



810 



