TY  - BOOK
AU  - Collins, K. ST. B.
TI  - General instructions for the hydrographic surveyors of the royal navy
U1  - 528.47 
PY  - 1958///
PB  - Hydrographic Department
KW  -  Hydrographic Surveyors
N1  - Instruments and stores, books and stationery, correspondance and returns, field work, triangulation, soundings and chart datum, sailing directions, draughtsmanship, surveying assistants, special duties officers, surveying recorders, miscellaneous
ER  -