Page 785 records and reports 836 



d. additional for taut-wire measurements and buoy control 



Abstract of buoys planted (Form 714). 



Buoy-to-buoy distances by bomb (Form 713). 



Abstract of bombed distances (Form 715). 



Azimuth by inclined angle (Form 720). 



Abstract of buoy-to-buoy azimuths (Form 718). 



Astronomic sights for hydrographic control (Form 719). 



Plotted lines of position. 



Position computations (Form 27). 



Geographic positions of buoys (Form 28B). 



Buoy station locations (with Descriptive Report). 



Calibration of taut-wire apparatus. 



Taut-wire traverse observations (Form 777). 



Report on buoy traverses. 



Record of cuts to locate buoy stations. 



Record of log tests. 



Logs of runs to locate buoy stations by log (Form 777). 



E. ADDITIONAL FOR ASTRONOMICALLY CONTROLLED SURVEYS 



Astronomic sights for hydrographic control (Form 719). 

 Plotted lines of position. 



R.A.R. and dead reckoning abstract (Form 722). 

 Record of log tests. 



F. AREA REPORTS 



Landmarks for charts (Form 567). 



Positions of fixed aids to navigation (Form 567). 



Coast pilot notes. 



Geographic name report. 



Chart for United States Coast Guard. 



Progress sketches. 



Triangulation station descriptions (Form 525). 



Triangulation station recovery notes (Form 526). 



Current observations (Form 270) : 



Abstract of currents observed (Form R-233). 

 Magnetic declination records (Form 38a) : 



Observations and computation of compass deviations (Forms 354, 355, and 356). 



836. Shipment of Records 



Form 413, Letter Transmitting Field Records, shall be used to transmit all hydro- 

 graphic records to the Washington Office, the original and one duplicate being mailed in 

 a separate envelope. 



Sheets and records, when forwarded by mail, should be well wrapped and registered. 

 Packages weighing less than 4 pounds each may be maUed under frank, and registered 

 by payment of the registry fee only. Any number of packages may be mailed at one 

 time. Packages weighing between 4 and 70 pounds cannot be mailed under frank and 

 registered; parcel post postage plus the registry fee must be paid. Such packages are 

 handled with the same care as though sent first class. The smooth sheet, boat sheet, and 

 Sounding Records shall be mailed at different times as security against total loss of the 

 survey records. 



When sheets and records are forwarded to the Office, each package of a season's 

 work shall be numbered consecutively, beginning with No. 1 and continuing until all 

 data for the season have been forwarded. 



465382—44 51 



