KULE8 AND PEACTICE8 31 



VII 



Titles and Notes 



TITLE INFORMATION 



An explanation of abbreviations used on nautical charts need not be shown in the title of 

 charts with scales smaller than 1 : 50,000. However, when this information is omitted, reference 

 shall be made to the Symbol Sheet, thus: 



For Symbols and Abbreviations see C. &. G. S, Chart No. 1 



AUTHORITY NOTE 



An authority note similar to the following must be used on all charts, listing only those 

 Bureaus that have contributed to the information used in compiling the chart: 



AUTHORITIES 

 Hydrography and topography by the Coast and Geodetic Survey 

 with additions and revisions from the Geological Survey, Naval Oc- 

 eanographic Office and Corps of Engineers. 



When most of the information is from som-ces other than the Coast and Geodetic Survey, a 

 note similar to the following is used: 



AUTHORITIES 

 Surveys by the Coast and Geodetic Survey and Corps of Engineers. 



STORM SIGNALS (Fig. 13) 



Storm signals are displayed by the Weather Bureau at numerous places along the coasts 

 of the United States. These signals are to warn the mariner of the approach of violent storms. 

 The stations where storm signals are displayed should be listed on the conventional charts 

 affected, thus: 



STORM WARNINGS 

 The U. S. Weather Bureau displays storm warnings at 

 the following approximate locations: 



Custom House. Boston (42°21 5'-71 •03.2') 



Boston C. G. Station (42°22.r-71 •03.1') 



Boston Lightship (42°20.'l'-70^45 5') 



Names of yacht clubs, marinas, boat yards, etc., shall not be included in the list. Use 

 only the geographic featm-e named in the Weather Bm-eau report, e.g., Seattle, West River, 

 Hatteras C.G. Station, etc. 



On charts at scales smaller than 1:200,000 there shall be listed individually, by geographic 

 position, only the most prominent and conspicuous offshore warning stations. The following 

 note shall be used on these charts: 



STORM WARNINGS 

 For a complete list of storm warning 

 stations, see large scale charts. 



