TY  - BOOK
ED  - United States.
ED  - Defense Mapping Agency Hydrographic/Topographic Center
TI  - Hydrogram
U1  - 551.46 
PY  - 1980///
CY  - Washington, D.C.
PB  - United States Government Printing Office
KW  - Hydrogram
KW  - Hydrography
ER  -