pl23_theb2301.jpg
Description
Raydist watch on the HYDROGRAPHER.Hydrographic surveying operations
Credit
C&GS; Season's Report Fish 1958-151
Display Date
1958
Location
Gulf of Mexico
Collection
Historic Coast & Geodetic Survey
Nautical Charting
Navigation
High & Medium Frequency Navigation Systems
Keywords
Charting
Navigation
Electronic
HF and MF Systems