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T1 - Page 34
Tennessee River Sheet No
The Harbor of New Bedford
Topographic survey T-331 of "Galveston Bay from D
Title block to "the North Side of Charleston Harbor."
Title block to "Offshore Soundings south of Cape Henlopen." These were among the first offshore soundings to show the continental shelf break.
Telescopic view of Sandy Hook Light S.W
Title block of Sheet No
Tide diagram of Chart of Sandy Hook Bar, sounded by Lieutenant T
Title block of Chart of Sandy Hook Bar, sounded by Lieutenant T
Topographic sheet between Patchogue and Smith Point, Long Island, by Charles Renard
Topographic sheet between Patchogue and Smith Point, Long Island, by Charles Renard
Topographic sheet from Fort Lee to Boompers Hook by Thornton A
Topographic shoreline manuscript showing section of Hudson River in the vicinity of today's Tappan Zee Bridge
Topographic shoreline manuscript showing section of Hudson River including Washington Irving's home below Tarrytown
Title page to computations of triangles observed by Ferdinand Hassler around New York City in 1817.
Two telescopic views
Two telescopic views
Two telescopic views
Title page of computation book of ' Triangles for the Survey of the Coast' made in 1817 by F.R
This drift bottle was found on Martha's Vineyard on December 22, 2013
This drift bottle was found on Martha's Vineyard on December 22, 2013
This drift bottle was found on Martha's Vineyard on December 22, 2013
Trail map and US Coast and Geodetic Survey marker on Pine Mountain
The Field Operations Officer (FOO) Megan McGovern, leads a morning safety meeting prior to sending out the launches from the NOAA Ship RAINIER.
Tidal bench mark 9251E established in 2013
Teacher at Sea Rosalind Echols using hammer and chisel to start drill hole for bench mark.
The forward end of a hull-mounted sidescan sonar unit that has struck an obstruction.
The view from the survey launch in Muir Inlet, a glacial fjord in Glacier Bay.
Tide staff at Little Diomede broken during storm.
Tide gauge installation.
Transmitter antenna for uploading tidal data to a GOES satellite for downloading to a processing center.
Tide gauge operations.
Tide staff.
Travel time curves of the seismic sea wave (tsunami) of April 1, 1946.
Time diagram showing seismic sea wave (tsunami) travel time to Honolulu, Hawaii, from points around the Pacific basin.
Tide gage record at Hilo, Hawaii, showing the 1946 tsunami.
The geomagnetic observatory at Camp Colonna on the Canada/U.S
The internal electronics of a bottom-mounted gravity meter.
The internal electronics of a bottom-mounted gravity meter.
The internal electronics of a bottom-mounted gravity meter.
The Sine galvanometer
The correlation of high seismicity with what is now known as the Gakkel Ridge, a segment of the mid-ocean ridge system
The correlation of high seismicity with the Mid-Atlantic Ridge
Tide gage leveling operations in Glacier Bay.
Tide gage leveling operations in Glacier Bay.
Tide gage leveling operations in Glacier Bay.
Tide gage leveling operations.
Topographic party of Lieutenant A
Tidal overfall known as "Reversing Falls" in Cobscook Bay.
Tidal overfall known as "Reversing Falls" in Cobscook Bay.
Tidal overfall known as "Reversing Falls" in Cobscook Bay.
Tree with scaffolding used for signal and observing stand on Philippine island.
Two boats carrying native Americans - first boat equipped with outboard motor towing the second boat.
The survey launch Fair Dinkum underway in the Beaufort Sea
Tigvariak Island main camp for hydrographic and geodetic survey crews
The remains of the Coast and Geodetic Survey Steamer PATTERSON - one of the great ships of the USC&GS
The remains of the Coast and Geodetic Survey Steamer PATTERSON - one of the great ships of the USC&GS
The remains of the Coast and Geodetic Survey Steamer PATTERSON - one of the great ships of the USC&GS
The remains of the Coast and Geodetic Survey Steamer PATTERSON - one of the great ships of the USC&GS
Tidal leveling work along the beach
Trying to catch fish in a fresh water stream on Umnak Island.
The sleeping tent at the OK Bay camp.
Thomas and Gholston at after steering in the Inside Passage.
The dock at Kiska Harbor
Tasting (perhaps simulating tasting) bottom sample material
There is a lot of truth in this sign.
Topographical engineers at Camp Winfield Scott, vicinity of Yorktown, Va
Tripod signal erected by Capts
Tthe Bilby tower at Couba Island
Tthe Bilby tower at Couba Island
Tthe Bilby tower at Couba Island
The coal barge at Goodnews Bay.
The coal barge at Goodnews Bay
The coal barge at Goodnews Bay
The tide observers' tent at Goodnews Bay
The tide observers at Goodnews Bay with a ptarmigan dinner.
The beach at Mumtrakamut
The large drafting table on the boat deck of the USC&GS ship TULIP.
Tending a tide gage.
The interior of the Coast and Geodetic Survey tide-prediction machine designed and built by Dr
The USC&GS tide prediction machine No
Tide indicator at Fort Hamilton
Tide indicator display indicating slack water.
Tide indicator display indicating rising water level.
Tide indicator mechanism of the tide indicator at the Maritime Exchange at Philadelphia.
Tidal current curve, San Francisco Light Vessel
The strike clock for old style automatic tide gauge
Towing a Roberts Radio Current Meter buoy to its planned station site from the USC&GS Ship MARMER.
Tide gage workings
Tides at Rincon Point San Francisco January and February 1853
Tide gauge, date unknown.
Tower built over Triangulation Station Kipnuk
The triangulation station Meades Ranch, left of marker post, and Reference Mark No
Trackline of Coast and Geodetic Survey ship PATHFINDER
The view looking towards Tacloban from San Juanico Strait while conducting lighthouse inspection.
Triangulation party office truck
Triangulation party mess tent
Triangulation party camp at Debre Markos Airport.
Tellurometer measurements from typical mountain top triangulation stations.
The computing office and tent at the triangulation party main camp
Typical scene along all highways and trails
Tisisat Falls, Blue Nile River 30 Km SE of source at Lake Tana
The Santa Rita copper mine (now known as the Chino Mine.)
The Great Kiva at Pueblo Bonito.
The grave of Billy Clanton, shot at the OK Corral in Tombstone in 1881
The camp at Peach Springs
The way to the station on Enchanted Mesa looking from the bottom of the crevass.
The end of Weasel travel and the beginning of snowshoe travel on the trek to Station Manzano.
The tripod for supporting the theodolite at Station Tijeras
The twenty-foot observing stand at Station Tijeras
The base camp in the snow at Santa Fe
Tent row at a base camp
The Sangre de Cristo Mountains from station Castilla.
Truck fording the Gila River
Truck travel near Cimarron
Tom Lovering and Shorty during Ely base line measurement operations.
Title page of Coast and Geodetic Survey Sesquicentennial Dinner.
The projection system for world aeronautical charts
Tide gage installation at Blue Mouse Cove
Tide gage installation
Tide gage installation
The southwesterly view from Harrow
The old Fire Island Lighthouse which was dismantled for the present lighthouse in about 1858
Tidal range at Anchorage
Tidal range at Anchorage
The Coast and Geodetic Survey Ship WESTDAHL in front of Taku Glacier.
The Coast and Geodetic Survey Ship WESTDAHL silhouetted between icebergs in Bartlett Cove.
Three signals designed by crew of WESTDAHL during hydrographic survey operations in Icy Straits area.
The Coast and Geodetic Survey Ship WESTDAHL in front of Taku Glacier.
The Coast and Geodetic Survey Ship WESTDAHL anchored in Tarr Inlet.
Training in leveling operations at NOAA's Atlantic Marine Center in Norfolk.
Tidal bench mark on Long Island Sound.
Tidal bench mark at Quicks Hole.
Tidal bench mark at Edgartown.
Tidal bench mark at Edgartown.
Tidal bench mark at Edgartown.
Tidal bench mark on Long Island Sound.
Tidal benchmark set in 1961.
Tide gauge and staff erected in the Aleutian Islands.
The Coast and Geodetic Survey signal placed on the top of Mount Shasta in 1879
Taut-wire sun azimuth controlled surveys
The original coastal and offshore sounding database
Third Assistant Engineer Tom Garten on left talking to "Spud", an oiler on the PATHFINDER.
Tide staff in southeast Alaska.
Triangulation Station Raggy at Ragged Point.
The high peak was a triangulation station that had to be climbed to from the shore.
Thick-billed murre rookery.
The PATHFINDER at St
The status of world-wide geodesy as of circa 1901 during the tenure of Henry Pritchett as Superintendent of the Coast and Geodetic Survey.
The official authorized flags of the U.S
Thomas Jefferson's signature authorizing a Survey of the Coast in 1807.
Table arrangement and guest list of 100th Anniversary of the Coast and Geodetic Survey banquet.
Table arrangement and guest list of 100th Anniversary of the Coast and Geodetic Survey banquet.
Twelve-foot observing stand with 30-foot signal at Station Phillips Hill.
Tower erection camp at Station Duck on Great Duck Island.
Temporary camp on Great Duck Island.
Tide gauge installation at Cape Mordvinof.
The tide gage at Anchorage at high tide
The tide gage at Anchorage at low tide
Taking the sounding when the leadline is vertical
That's the spirit! Proud ship's cook displays 162nd anniversary of Coast and Geodetic Survey cake at Norfolk Atlantic Marine Center.
The Cheltenham Magnetic Observatory.
Taking simultaneous readings with Worden gravimeter.
The Atlantic Marine Center, the USC&GS ship base.
The radio room of a Coast and Geodetic Survey ship.
The radio room of a Coast and Geodetic Survey ship.
The camp at Pecos, Texas
The camp at Pecos, Texas
The observing tent and theodolite.
The camp on Iron Creek.
The Talkeetna River about 125 miles north of Anchorage.
The return from Station Clear.
The camp on Station Clear after the first major storm of the year.
Triangulation tower constructed from pre-cut lumber at Tacoma North Base
Topographic work in Alaska, Glacier Bay area, off of C&GS Ship WESTDAHL.
Topographic work in Alaska, Glacier Bay area, off of C&GS Ship WESTDAHL.
The making of a plane-table survey in Philippine mangrove swamps
The "goat trail" in Chitistone Valley used during the Alaska-Canada Boundary Survey, 1913.
Third-order triangulation station Iquak in southwest Alaska, while attached to the USC&GS Steamer DISCOVERER in 1923.
The soundings showing depths throughout the water areas are machine-cut through the film of the negative.
The sheets are then reduced to the scale of the chart, proper selection of the material which will appear on it being made, and the whole worked into
The negatives are then exposed to sensitized aluminum plates.
The vacuum printing frame used to process wet plate negatives to aluminum printing plates.
The axis of the Aleutian Trench as shown on the recording of an early deep water recording instrument.
The fathogram trace of Pathfinder Seamount.
The two pack trains leaving Cash Bar
The building crew at a triangulation tower in central Alaska
Triangulation crew used velocipedes when on the Anchorage to Fairbanks railway prior to heading into the wilderness for triangulation work
Theodolite used for observations in central Alaska.
The day John "Red" Dana and Floyd Risvold went out to look for the building party which had not returned on time from Station Gardner
The upper part of the Bilby tower at Station Walnut prior to being struck by a vehicle on December 7, 1931.
Tom Sockwell and Floyd Risvold at a station in the San Joaquin Valley
The ranger station where the observing crew stayed overnight after observing Station Mogollon.
The lookout house at Station Atacosa
The observing stand after taking down the shelter tent at Station Bluff.
The observing party at Station Bluff in Montana.
The camp at Sacramento
The camp at Sacramento
The camp at Sacramento
The trail up to Station Madden on the top of Madden Peak, 11972 feet, in southwest Colorado.
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