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NOAA's Historic Coast & Geodetic Survey (C&GS) Collection
Catalog of Images

5500 thumbnail picture
Level instrument and Wild T-2
5501 thumbnail picture
Oldest known sketch of Coast Survey sounding operations. Watercolor by James Madison Alden - 1857. Coast Survey Brig FAUNTLEROY in background
Strawberry Harbor, Rosario Straits, Washington 1857
5502 thumbnail picture
Alaska, 1898. Sketch by McFarland. Skiff hydro sounding operations
5503 thumbnail picture
Hydrographic survey operations - note line from leadline extending ahead. Two observers shooting angles
5504 thumbnail picture
Hydrographic Launch from 1942 Hydrographic Manual. EXPLORER Launch
5505 thumbnail picture
Interior of hydrographic launch from 1942 Hydrographic Manual. EXPLORER Launch
1941
5506 thumbnail picture
36' hydrographic launch with 30' Shoran antenna. Launch off of PIONEER
Alaska, Aleutian Islands 1949
5507 thumbnail picture
Launch with Shoran antenna off Sledge Island. Launch off EXPLORER
Alaska 1950
5508 thumbnail picture
Training Liberians to do hydrography
Liberia, Africa 1953
5509 thumbnail picture
Shoran Launch No. 4 between Unga and Wosnesenski Island
Alaska, Aleutian Islands 1954
5510 thumbnail picture
Hydrographic launch off SURVEYOR near Kalgin Island, Cook Inlet
Alaska, Cook Inlet, Kalgin Island 1967
5511 thumbnail picture
Interior of hydrographic survey launch off SURVEYOR
Alaska, Cook Inlet, Kalgin Island 1967
5512 thumbnail picture
Coxswain Tosh Kaiura checking compass while getting on line. SURVEYOR launch at Pago Pago
American Samoa 1971
5513 thumbnail picture
Plastic Pig on line. WHITING launch in Pillsbury Sound
Pillsbury Sound, U.S. Virgin Islands 1975
5514 thumbnail picture
Jensen Launch on line. Launch off of PEIRCE
Penobscot Bay, Maine 1985
5515 thumbnail picture
Jensen Launch on line. Launch off of PEIRCE
U. S. Virgin Islands, Charlotte Amalie 1985
5516 thumbnail picture
Jensen Launch on line. Launch off of PEIRCE
Penobscot Bay, Maine 1985
5517 thumbnail picture
Jensen Launch on line dwarfed by nuclear power plant cooling tower. Launch off of PEIRCE
Delaware Bay 1985
5518 thumbnail picture
Skiff outfitted for hydrography - casting the lead. Skiff off of HYDROGRAPHER
Eastern Gulf of Mexico 1925
5519 thumbnail picture
Boston Whaler outfitted for hydrography. Boat off of PEIRCE
Penobscot Bay, Maine 1985
5520 thumbnail picture
Small boat hydro - Cook Inlet area. Boat off of PATHFINDER
Lower Cook Inlet, Alaska 1970
5521 thumbnail picture
Low tide - rock shows where vessel struck and then sank. Vessel captain claimed to be in mid-channel far from any hazards. Paint, metal fragments, and rivets proved differently
Alaska
5522 thumbnail picture
Egyptian tomb painting from 1450 B.C. showing officer with sounding pole. Officer is telling crew to come ahead slow. Engineers with cat-o'-nine-tails assuring proper response from engines
Egypt 1450 B.C.
5523 thumbnail picture
St. Brendan striking out into the Atlantic - about 6th Century A.D. St. Brendan checking depths with his sounding pole
Ireland 500 A.D.
5524 thumbnail picture
Frontispiece from the Hastings Rutter - 1450 A.D. early English pilot guide. Possibly first picture of leadline sounding
Thames River, England 1450 A.D.
5525 thumbnail picture
Sailor sounding from merchantman - Nineteenth Century. Sketch by Gordon Grant
5526 thumbnail picture
Double sounding chair arrangement. Effort to double density of soundings. Working off of HYDROGRAPHER in 20 to 25 fathoms
Gulf of Mexico 1917
5527 thumbnail picture
Double sounding chair arrangement. Effort to double density of soundings. Working off of HYDROGRAPHER in 20 to 25 fathoms
Gulf of Mexico 1917
5528 thumbnail picture
Double sounding chair arrangement. Effort to double density of soundings. Working off of HYDROGRAPHER in 20 to 25 fathoms
Gulf of Mexico 1917
5529 thumbnail picture
Taking the reading when the line is vertical
5530 thumbnail picture
Boatswain Jahnke casting the lead. Launch off the SURVEYOR
5531 thumbnail picture
Casting the lead - Hydro Manual 1931
5532 thumbnail picture
Casting the lead - Hydro Manual 1931
5533 thumbnail picture
Leadline is vertical for reading. Working off the WESTDAHL
Southeast Alaska 1936
5534 thumbnail picture
Tossing the leadline. Working off the WESTDAHL. Note splash of lead out ahead of ship
Southeast Alaska 1936
5535 thumbnail picture
Sounding in Salton Sea for seaplane landing site. Part of war project to establish seaplane landing sites. Sites used for ferrying seaplanes across United States
Salton Sea, California 1942
5536 thumbnail picture
Trolley sounding arrangement. Off of ISIS
Virginia, Chesapeake Bay area 1915
5537 thumbnail picture
Trolley and line ready for next sounding. Off of ISIS
United States East Coast 1916
5538 thumbnail picture
Trolley rig - Hauling slack from sounding line prior to sounding. Off of ISIS
United States East Coast 1916
5539 thumbnail picture
Trolley rig - paying out leadline by hand as trolley carriage runs down cable. Off of ISIS
United States East Coast 1916
5540 thumbnail picture
Getting upright cast as sounding stand passes position of lead. Off of ISIS
United States East Coast 1916
5541 thumbnail picture
Hauling in sounding line of trolley rig using hand crank on boat deck. Off of ISIS
United States East Coast 1916
5542 thumbnail picture
Arrangement of sounding machines on PATHFINDER. Off of PATHFINDER
Philippines 1921
5543 thumbnail picture
Arrangement of sounding machines on PATHFINDER. Off of PATHFINDER
Philippines 1921
5544 thumbnail picture
Arrangement of sounding machine on PIONEER. Off of PIONEER
Southwestern Alaska Peninsula 1924
5545 thumbnail picture
Coast and Geodetic Survey sounding tube equipment. Hydrographic Manual 1931, Figure 17, p. 53
1931
5546 thumbnail picture
Shelter and equipment used in reading sounding tubes. Off of PIONEER
Southwestern Alaska Peninsula 1924
5547 thumbnail picture
Robert Williams with first Fessenden oscillator on the tug Susie D. First successful test of sonic system. Looking for icebergs but also found bottom
North Atlantic 1914
5548 thumbnail picture
Sonic sounding apparatus on the GUIDE. On the ship GUIDE
5549 thumbnail picture
Title page to manual - "The Submarine Fathometer". Fathometer invented by Herbert Grove Dorsey of the Sub Signal Corporation.

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Last Updated:
November 10, 2017