INDEX 



203 



Pac« 



Depths: 



Around piers and in slips 55 



Controlling (Q-5, 6) 54, 62-64 



Dumping grounds 22 



Less than 11 fathoms . 53 



Rocks 65-69 



Selection of (see Selection of Soundings) _ 54-59 



Tabulated 62-64 



Unit _ 52 



Descriptive adjectives, abbreviations (F) : 



Lights (lO 78-80 



List of abbreviations (see Chart No. 1) . _ 189 



Descriptive reports (see Original Sources) 14 



Descriptive report note . 36 



Descriptive terms (see Landmarks and Sta- 

 tions) 24-29 



Detail of chart generalized 1 



Diagrams: 



Chart sizes (Fig. 36) 167 



Current (T-Td) 188 



Dike (C.-6a) 177 



Dimensions of the earth (Clarkes Speriod of 



1866) and units of length 12 



Direct reproduction (see Basic Requirements). 15 

 Discrepancies: 



Names (see Geographic Names) 105 



Source material (see Future History 



Record) 39 



Disposal areas (G— Gc) 21 



Disposition notations 16 



Distance finding stations 84 



Distortion controlled (see New Charts) 4 



Ditch (Fig. 1) (H-13) 131, 178 



Dock (G-35, 36, 37) 177 



Dolphins (G-21; H-9) 47 



Dome 27 



Drawbridge (H-15) 178 



Drawings 4 



Authority for corrections 13, 14 



Color to be used 16 



Fixed aids corrected 77-80 



History 36-39 



Method of showing lights 78-80 



Source material initialed 16 



Order of corrections 16 



Dredged area (Q-6) 186 



Dredged channels (Q-5) 62-64 



Dredging buoys (Chart No. 1— Unlighted 



buoyage) 195 



Drydock (G-36) 177 



Dual-purpose marking on joint waterways 



(Chart No. 1) 197 



Duck bhnds 48 



Dumping grounds (Fig. 1) (G-Gb; P-11) 22 



Dunes (A-4) 174 



PaK« 



E 



Earth, dimensions of 12 



Ebb stream (T-20) 188 



Echo soundings: 



Deeps used in echo sounding navigation __ 54 



Importance of submarine relief 50 



Eddies (0-19) 185 



Edition, new 6 



Eighteen foot curve 62 



Electric railways (Fig. 1) (H-3, 3b, 3c, 14)... 49 



Electronic Computing 116, 117 



Electronic Navigational Systems 86-88 



Elevated tank (1-53) 27 



Elevations (D-3, Da, Db, Dc, Dd; 0-1) 46 



Planes of reference 46 



Rocks (Fig. 20) (O) 46 



Embankment (H-3d) 178 



Emergency run 6 



Equatorial radius 12 



Equivalents, scale (Figs. 26, 37) 157, 168 



Erasures, chart correction 15, 16 



Evaluation of charting material 13 



Exhaustion report, weekly (see Cht. Printings). 5 



Extreme low water (See Tide Note) 52 



F 



Factory (1-47) 179 



Fairway buoy (L-14) 182 



Fathoms: 



Conversion tables (Figs. 26 to 29) 157-160 



Fractions of 53, 54 



Soundings charted in 53, 54 



Federal Register 20 



Danger and anchorage areas 20 



Fish trap area limits, (Chesapeake Bay).. 22, 23 



Rules of the Road 23 



Federal regulations requiring charts 1 



Feet (Figs. 8, 26 to 32): 



Soundings in 52-54 



To fathoms (Figs. 27, 28) 158, 159 



Fences 47 



Ferries (H-19) 48 



Field examinations in History 36 



Film- Positive Proof 5 



First edition date (See New Chart) 5 



Fish stakes (G-14) 23 



Fish trap areas (Fig. 1) (P-10) 22 



Note (Fig. 10) 141 



Fish trap buoys (L-27) (Chart No. 1— Un- 

 lighted buoyage) 182, 195 



Fish traps (G-14a) 177 



Fishing areas, charting of (P-10) 22 



Fixed bridge (H-14) 31-35 



Fixed floating objects, standard type (Fig. 21). 152 



692-834 O - 64 - 15 



