All the field data are sent to the Washington Office where the triangulation, magnetic, and tidal work is examined by mathematicians who make the necessary adjustments to connect it with work already done. Cartographers complete the plotting, inking and verification of the hydrographic and topographic sheets.
640 x 566 | 54.54 KB | |
1280 x 1131 | 188.93 KB | |
1920 x 1697 | 397.66 KB | |
2686 x 2373 | 828.50 KB |
Added On | 16th October 2015 |
Viewed | 7 viewed |