TY  - BOOK
AU  - Ritchie, G. S.
CN  - VK597.G72
CN  - VK597.G72
CY  - New York,
DA  - 1967.
ID  - 78624
KW  - Hydrographic surveying.
PB  - American Elsevier Pub. Co.,
PP  - New York,
PY  - 1967.
T1  - The Admiralty chart;British naval hydrography in the nineteenth century
TI  - The Admiralty chart;British naval hydrography in the nineteenth century
ER  -