TY  - BOOK
AU  - Stephen,Lieut I.J.
AU  - Guard,U.S.Coast
TI  - Piloting ocean navigation
U1  -  387.740420973 
PY  - 1942///
CY  - Washington, D.C.
PB  - U.S. Government Printing Office
KW  - Air-pilot guides
KW  - United States
KW  - Air traffic control
KW  - Aids to navigation
N1  - A reading guide to duffer?s navigation and nautical astronomy
ER  -