Page 914 



INDEX 



Reference 

 No. 

 Marked I opographie stations (see Topographic 



stations, recoverable) 

 Marlier buoys (see Buoys, marker) 

 Marks, station (.see Station marks) 



Marsh line, synibolization 752 



Master compass, of gyro system 4422(«) 



Maury, Mathew F 512 



Meades Ranch 2171 



Mean high water datum, use of 2173 



Mean sea level datum, use of 2173 



Measurements, linear, hydrographic positions 



determined by, method of numbering. 3312 

 Mechanical correction of fathogram soundings _ 562 

 Mechanical lettering set (see Lettering set, 



mechanical) 

 Memoranda, daily, for use n preparing 



monthly reports 156 



Menaces to navigation (see Dangers to naviga- 

 tion. Least depths, and Shoals) 



Mercator (Gerhard Kramer) {1121 



chart, plotting radio bearings on j_. 4445 



projection, description { 1121 



projection tables 1121 



Mercury, fulminate of, properties 667 



Mercury, fuliminate of, use in detonators 667 



Meridian altitude sights 3386 



Meridian log (see Log, ship, electric submerged) 

 Metal Mike (see Gyro pilot) 



Meteorological tables in Coast Pilot 916 



Meter bar 4821 



calibration, . 4821 



Care of 4821 



Description 4821 



Method of use 4821 



Standard scales 4821 



Meters, conversion tables 963 



Method of transfer by squares 7562 



Micro-Weave tracing cloth _ 7141 



Miles, nautical, conversion tables 963 



Miles, statute, conversion tables 963 



Mirrors 



Instrument 



Cleaning 4313 



Dusting 4313 



Sextant (see Sextant mirrors) 



Silvered , reflectivity of 4514 



Stainless steel , reflectivity of 4514 



Stellite , reflectivity of 4514 



Miscellaneous entries in Sounding Record 815 



Missed soundings (see Soundings, missed) 



Monterey Bay, California, seasonal tempera-f^g. 1S9 



ture distribution in \632d 



Mooring buoys, yacht, spherical, used as 



marker buoys 2821 



Motor, driving, echo-sounding instrument (see 



imder name of specific instrument) 

 Motor generator, 312 Fathometer 5212 



Motor speed, echo-sounding instriunent jgjg 



adjustment (see also under name of specific|55 



instrument) \5616 



control 5165 



Maintenance of correct -|57(6) 



relation to calibration velocity 555 



relation to depth scale 555 



r555 

 Soundings, effect of variation on 15716 



{555 

 5716 

 Mountain (s) 



Coast Pilot requirements - 916 



Definition 916 



peaks 

 Accuracy of location required for hydrog- 

 raphy 213 



used as control stations 3336a 



MS class echo-sounding instruments (see Echo- 

 sounding instruments, English) 



MS12D, Hughes 528 



depth range 528 



depth scales 528 



Description 528 



: draft measurement reference point 55H(d) 



fathogram, how produced 528 



fathogram paper, description 528 



installation 544 



magnetostrictive unit(s) 



Description 528 



Energy for transmitting 528 



frequency 528 



installation 528 



motor speed control 528 



Page 



693 

 340 

 439 

 67 

 69 

 69 



213 

 539 



2 



3 



349 



2 



3 



3 



624 



624 



244 



835 

 423 

 423 



424 

 423 

 423 

 423 

 882 

 695 

 662 

 883 

 883 



332 

 332 



364 

 364 

 364 

 765 



577 

 579 



166 



457 

 454 

 520 

 507 

 538 

 454 

 454 

 543 

 520 

 520 

 520 

 544 

 520 

 544 



835 

 835 



62 

 220 



508 

 498 

 498 

 505 



499 



498 

 498 



Reference 



MS 12 1), Hughes— Continued. No. Page 



parts, principal..- 528 498 



recording device 528 498 



Separation effect on 556 525 



stylus motion 528 498 



Mud deposits, geographic distribution of 3848 305 



Multiple echoes («ee Echoes, multiple) 



Multiple sea sampler, description 4743 409 



N 



Names, geographic (see Geographic names) 

 Names, signal («ee Control-station names) 

 Names, station («ee Control-station names) 



Names, structure 1672 53 



Nansen-Pcttersson water bottle 4716 403 



Xansen total immersion hydrometer 475 411 



National Carbon Company 2813 165 



National Company, Inc 6722 630 



National-Simplex-Bludworth, Inc 522 459 



Natural features or objects («ee Features, natural) 

 Natural trigonometric functions for "circle" 



sheet construction (<o6/e 4;) 964 885 



Nautical chart (s) 



abbreviations (iWfis^ro^ed) fig. 189 /"o/. 888 



accuracy 1126 5 



agencies, inspection of _ 9134 815 



Charted data 



Erroneous 8523 797 



not always from C . & G. S. surveys 3522 269 



Origin requested from Washington Office-- 3522 269 



Verification of ._. {||' 207 



Chart letter 8521 797 



Definition 8521 797 



Dimensions of paper 8521 797 



Preparation ..g ^97 



Sketches submitted as 8521 797 



Chart-sections 



Preparation 8534B 801 



Reporting charting data on 91336 815 



Where filed in Washington Office— - 91336 815 



compilation 1124 4 



controlling depth notes compared with 



smooth sheet 93456 857 



copies for officers and men 1322 18 



corrections submitted by Coast Pilot reviser. 91336 815 



Data for 



noted by Coast Pilot reviser 9133o 814 



submitted by Coast Pilot reviser 91336 815 



Dateson 1127 5 



datmn, how to identify - _-. 8533 799 



datums, Coast Pilot usage 916 830 



datums described 1125 5 



depthunits 7716B 716 



design 1123 4 



examined for erroneous data 8523 797 



Hydrographic surveys compared with 



and reported in Descriptive Report. 842A/ 789 



Hydrographer's use of 1-32 18 



Importance of 11 1 



index map in Coast Pilot 9135A(4) 816 



inspected during coast pilot field inspection.. 9133a 814 

 landmarks (see Landmarks for charts) 



limits 1123 4 



making, history of 111. 1 



Originof 111 1 



paper distortion , 7114 659 



Reference to , proper 132 18 



revision, preliminary field data submitted for 1761 58 



scales. 1123 4 



Smooth sheet compared with 9345 857 



Smooth sheet compared with , and re- 

 ported in review 9348F 859 



symbols (illustrated) 97 888 



World coverage, inadequacy of 11 1 



Navigating officer responsible for navigation 



equipment and instruments..- 431 330 



Navigation 



books, reference (?i«0 9532 870 



buoys (see Buoys, navigation) 

 equipment 



Canvas covers for 4312 331 



Care of 4312 331 



Inspection of lights in 4312 331 



of the E. Lester Jones 4132 322 



of the ^jp/orer 4122 320 



Protection from exposure 4312 331 



information 



published, to be listed in Coast PUot 916 837 



Special report of 852 797 



Personal element in 158 43 



ranges (see Ranges, navigation) 



risk in hydrographic surveying 1581 43 



Study of 168 42 



