Images
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![earliest diagrams of echo-sounding](../../history/quotes/tech/media/echo_100.jpg) |
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![Cartoon depicting deep sea dredging](../../history/quotes/explore/media/discovery_100.jpg) |
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![Marine Dredge](../../history/quotes/tech/media/dredge_100.jpg) |
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![Benjamin Pierce](../../history/quotes/tech/media/peirce_100.jpg) |
Early diagram of echo-sounding
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Cartoon depicting deep sea dredging
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Marine Dredge
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Benjamin Pierce
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![Steam winch with steel wire](../../history/quotes/tech/media/cable_100.jpg) |
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![Contoured map of Monterey Bay](../../history/quotes/soundings/media/subcnyn_100.jpg) |
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![Bathymetric map of shoal area in Mid-Atlantic Grave](../../history/quotes/soundings/media/seafloor_100.jpg) |
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![Specimens of Globigerina](../../history/quotes/soundings/media/life_100.jpg) |
Steam winch with steel wire
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Contoured map of Monterey Bay
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Bathymetric map of shoal area in Mid-Atlantic Grave
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Specimens of Globigerina
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![Various coral species](../../history/quotes/life/media/reef_100.jpg) |
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![Exploring using a sidescan sonar](../../history/electronic/1946_1970/media/sonar_100.jpg) |
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![Survey of Trincomalee Canyon](../../history/electronic/1946_1970/media/survey_100.jpg) |
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![Releasing a meterological radiosonde balloon](../../history/electronic/1946_1970/media/balloon_100.jpg) |
Various coral species
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Explorers using a sidescan sonar
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Survey of Trincomalee Canyon
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Releasing a meterological radiosonde balloon
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![Coast Survey Steamer Blake](../../history/quotes/ocean_atmos/media/grand_100.jpg) |
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![Electronic Position Indicator](../../history/electronic/1946_1970/media/mast2298_100.jpg) |
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![The C&GS Ship Pioneer](../../history/electronic/1946_1970/media/pioneership_100.jpg) |
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![Early magnetic profile](../../history/electronic/1946_1970/media/magneticprofile_100.jpg) |
Coast Survey Steamer Blake
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Electronic Position Indicator
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The C&GS Ship Pioneer
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Early magnetic profile
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![Using a precision depth recorder](../../history/electronic/1946_1970/media/dietz_100.jpg) |
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![Ferdinand Hassler](media_tn/1_Hassler_100.jpg) |
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![Alexander Bache](media_tn/3_Bache_100.jpg) |
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![Gulf Stream Chart](media_tn/2_GulfStream_100.jpg) |
Using a precision depth recorder
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Ferdinand Hassler
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Alexander Dallas Bache
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1880 Gulf Stream chart
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![The ill-fated Washington](media_tn/4_Washington_100.jpg) |
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![Coast Survey Steamer Bibb](media_tn/6_SteamerBIBB_100.jpg) |
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![Equipment on the HMS Challenger](media_tn/7_Challenger_100.jpg) |
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![Coast Survey Steamer Hassler](media_tn/8_StreamerHassler_100.jpg) |
The ill-fated Washington
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Coast Survey Steamer Bibb
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Equipment on the HMS Challenger
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Coast Survey Steamer Hassler
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![sounding machine](media_tn/11_SigsbeeDiagram_100.jpg) |
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![First modern bathymetric map](media_tn/12_Gulfbathy_100.jpg) |
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![Steel wire onboard Blake](media_tn/13_steeldredge_100.jpg) |
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![The Blake](media_tn/14_Blakeanchor_100.jpg) |
Sigsbee Sounding Machine
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First modern bathymetric map
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Steel wire onboard Blake
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The Blake
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![Fisheries Steamer Albatross](media_tn/15_Albatross_100.jpg) |
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![Plankton nets](media_tn/16_Albatrossnets_100.jpg) |
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![Weather kite](media_tn/17_PrincesseAlice_100.jpg) |
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![Soundings map](media_tn/18_USSstewart_100.jpg) |
Fisheries Steamer Albatross
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Plankton nets
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Weather kite
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Soundings map
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![Dorsey Fathometer](media_tn/25_Dorsey_100.jpg) |
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![Davidson seamount](media_tn/20_Seamount_100.jpg) |
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![Submarine mountains](media_tn/51_subpatterns_100.jpg) |
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![Radio acoustic ranging (RAR)](media_tn/23_RAR_100.jpg) |
Dorsey Fathometer
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Davidson seamount
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Submarine mountains
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Radio acoustic ranging (RAR)
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![Timing a bomb fuse](media_tn/24_TNTbomb_100.jpg) |
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![Seismic reflection map](media_tn/27_Ewing_100.jpg) |
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![Navigation lattice](media_tn/52_theb_100.jpg) |
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![old fashioned diver](../../technology/diving/media/historydivingnurp2_100.jpg) |
Timing a bomb fuse
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Seismic reflection map
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Navigation lattice
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Diver
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![ship wreck etching](media_tn/shipwrecketching_100.jpg) |
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Ship wreck etching
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