Page 807 records and reports 859 



SEMIANNUAL 



[Required in certain circumstances.] 



Name of Report Form No. Reference number 



Progress sketch Tracing cloth __ 8513. 



Statistical report M-1 133-5 8516 and 156. 



MONTHLY 



Progress of office work on sheets and records Ar-961, iV/-962, M-963 8514. 



Progress sketch. - Tracing cloth 8511. 



Sheet layout Tracing cloth 8511. 



Report and journal 20a 8514 and 156. 



Report of progress of field work Letter to arrive at Washing- 8514. 



ton Office by the 25th of 

 each month. 



BEGINNING OF SEASON 

 Acknowledgment of project instructions Letter 121. 



END OF SEASON 



Chart of objects for use of U. S. Coast Guard.. 567 and chart 8533 and 1551. 



Coast pilot report Letter 855, 159, and 385. 



Descriptions and recovery notes of triangula- 



tion stations 525 and 526 854. 



Geographic name report Written 856 and 163. 



Landmarks for charts, in duplicate, duplicate 



copy marked "For Coast Pilot" 567 and chart-sections 8534 and 155. 



Positions of fixed aids to navigation 567 8532 and 3831. 



Ranges for compass deviations Letter 857. 



Report of buoy locations Written 8322, 8323, and 



8324. 



Season's report — and the following attached:. Written 8515. 



Cost data 615 8515 and 156. 



Index of sheets (optional) Tracing cloth 8413. 



Inventory of records In season's report 8515. 



Progress sketch Tracing cloth 8512. 



Separate progress sketch of triangulatiofl only- Tracing cloth 8512. 



Statistics . 21 8515 and 156. 



Velocity of sound report Written 833. 



Abstract of temperatures, salinities, and 



theoretical velocities of sound 717 833. 



AT VARIOUS TIMES 



Chart letters Letter or chart-section 8521. 



Dangers to navigation, immediate report Letter or radio 8522. 



Field examinations Tracing or chart-section 176. 



Floating aids to navigation off station or poorly 



situated Letter . 8531 and 3832. 



Information erroneously or inadequately charted. Letter 8523 and 173. 



Lighted aids extinguished Radio 853 and 174. 



New methods and equipment Letter 8581. 



Report of installation of tide gage 681 1434. 



Sheet layout diagram (if separate) Tracing 8511 and 1542. 



Special reports on any phase or feature of work. Letter 858. 



Survey buoys established or discontinued Radio 8524 and 286. 



