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Coast-Geodetic-Survey
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Historic Geodesy
Preparing for diving operations in support of current meter operations from USC&GS Ship GILBERT.
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Harris B. Stewart proceeding over the side of a launch at Swan Island duringEXPLORER trip from Seattle to Norfolk.
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Underwater current meter maintenance from USC&GS; Ship HYDROGRAPHER. This is among the earliest of underwater color photographs taken by a NOAAancestor agency.
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USC&GS; Ship HYDROGRAPHER at Roberts Radio Current Meter buoy whiledivers perform underwater maintenance.
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(1.52 MB)
Card enclosed in drift bottle directing finder to break the bottle.
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Drift bottle information to be furnished by finder and returned to Coast andGeodetic Survey.
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Perhaps the last drift bottle that will ever be found. All drift bottle records have been closed for years so the exact location and even ship that launchedDrift Bottle 17465 is unknown. It is probable that it was launched from eitherthe EXPLORER o
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Preparing drift bottles for launching from USC&GS; Ship EXPLORER.
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Oceanographer Michael Slapsys launching a drift bottle from the USC&GS;Ship EXPLORER. Photo #1.
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Oceanographer Michael Slapsys launching a drift bottle from the USC&GS;Ship EXPLORER. Photo #2.
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Roberts Radio Current Meter woes being attended to in the Gulf Stream.Apparently either a problem with retrieval or deployment. Harris B. Stewart inforeground striped shirt, while Commander David Whipp (scrambled eggs) looks on.
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Captain Crosby, Chief of the Tides and Currents Division of the USC&GS;, looks on as Roberts Radio Current Meter is deployed. Looks a little breezy out there asCaptain Crosby has his hat secured with the chin strap. He went on thisexpedition as an
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Approaching Air Force early warning radar tower off Georges Shoal duringsurvey operations from USC&GS; Ship HYDROGRAPHER. This site wasTexas Tower #2.
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Diver heads over the side of survey launch during 1958 survey of Georges Shoal.
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Approaching Texas Tower #2 on Georges Shoal to pick up personnel during surveyoperations.
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Diver assisting with obstruction removal from wire drag vessel.
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Installation of gear used for observing currents with Gurley Meter.
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Preparing to hoist current meter buoy aboard USC&GS; ship
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USC&GS; ensign using marigram tide tabulating machine.
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Illustration detailing the difference between old hand-scaling of marigrams vs.use of new electronic marigram scanning machine.
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