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

5800 thumbnail picture
Sub-meter backscatter resolution used to help determine bottom types at Diamond Shoal.
5801 thumbnail picture
Sidescan sonar backscatter data combined with 3-D multi-beam data produced this map which showed a direct relationship between depth and type of bottom material in this area.
5802 thumbnail picture
Multi-beam false color and printed depth presentation of Diamond Shoal.
5803 thumbnail picture
The fancifully-named Sherwood Forest off the Dry Tortugas. 3-D image derived from multi-beam depth data.
Florida, Dry Tortugas 2001
5804 thumbnail picture
Multi-beam sounding image of Fort Sumter Range, Charleston Harbor, showing potential hazards to shipping in dredged channel.
5805 thumbnail picture
Pockmarked bottom area in Belfast area of Penobscot Bay. These sorts of features are found in many areas of Penobscot Bay.
5806 thumbnail picture
Sidescan and multi-beam sonar images of the 4-masted schooner HERBERT D. MAXWELL which sunk after a collision on 16 May 1910 off Annapolis, Maryland.
5807 thumbnail picture
Sidescan sonar image of the 4-masted schooner HERBERT D. MAXWELL which sunk after a collision on 16 May 1910 off Annapolis, Maryland.
5808 thumbnail picture
Multi-beam sonar image of the 4-masted schooner HERBERT D. MAXWELL which sunk after a collision on 16 May 1910 off Annapolis, Maryland.
5809 thumbnail picture
Multi-beam sonar image of the 4-masted schooner HERBERT D. MAXWELL which sunk after a collision on 16 May 1910 off Annapolis, Maryland.
5810 thumbnail picture
Mystery image apparently derived from multi-beam sounding information. TBD at a later date.
5811 thumbnail picture
Belfast Bay, Maine, pockmark field showing location and relative size of "pockmarks." Compare to image theb4063. Linear blank areas caused by lack of overlap between survey lines.
5812 thumbnail picture
Belfast Bay, Maine, pockmarks as shown on sidescan sonar record and bottom penetration sonar.
5813 thumbnail picture
Rock outcrops adjacent to high current area of sand waves. Possibly Portsmouth Harbor Channel
5814 thumbnail picture
Depth coded by color on multi-beam display of 1999 survey area. Display also has depth information overprinted. The depths shown are a tiny percentage of the total depths observed with a modern multi-beam system.
Virginia, Hull Neck, Northumberland County 1999
5815 thumbnail picture
Multi-beam sounding map of Bowie Seamount in the NE Pacific Ocean off British Columbia. Contours overlay color-coded depth ranges.
2000 July
5816 thumbnail picture
3-D single-beam sounding data of Bowie Seamount which was available prior to the survey data acquired in image theb4073. The red-colored peak is the seamount shown in image theb4073.
5817 thumbnail picture
Unknown what imagery is depicting or how acquired.
5818 thumbnail picture
Unidentified area of rugged bottom
5819 thumbnail picture
Fathogram example of rugged bottom area
5820 thumbnail picture
A triangulation station and signal on the Alaska Coast. In: Putnam, G.R. 1908. Nautical Charts. J. Wiley and Sons, New York.
5821 thumbnail picture
Measuring angles with theodolite at triangulation station on Alaska Coast. In: Putnam, G.R. 1908. Nautical Charts. J. Wiley and Sons, New York.
5822 thumbnail picture
Topographic survey party at work with plane table on the Pribilof Islands. In: Putnam, G.R. 1908. Nautical Charts. J. Wiley and Sons, New York.
5823 thumbnail picture
Hydrographic party sounding with launch in Baltimore Harbor. In: Putnam, G.R. 1908. Nautical Charts. J. Wiley and Sons, New York.
5824 thumbnail picture
The Lucas Automatic Sounding Machine for depths to 5000 fathoms, with engine. In: Putnam, G.R. 1908. Nautical Charts. J. Wiley and Sons, New York.
5825 thumbnail picture
The Sigsbee Sounding Machine on a surveying vessel. In: Putnam, G.R. 1908. Nautical Charts. J. Wiley and Sons, New York.
5826 thumbnail picture
Wiredrag diagram - Dragging for dangers with a long wire. In: Putnam, G.R. 1908. Nautical Charts. J. Wiley and Sons, New York.
5827 thumbnail picture
Engraving a chart on a copper plate. In: Putnam, G.R. 1908. Nautical Charts. J. Wiley and Sons, New York.
5828 thumbnail picture
Engraving soundings on a copper plate with a machine. In: Putnam, G.R. 1908. Nautical Charts. J. Wiley and Sons, New York.
5829 thumbnail picture
Electrotyping plant for electrotyping chart plates. In: Putnam, G.R. 1908. Nautical Charts. J. Wiley and Sons, New York.
5830 thumbnail picture
Printing charts from copper plates; final cleaning of the plate by hand; plate press on left. In: Putnam, G.R. 1908. Nautical Charts. J. Wiley and Sons,
5831 thumbnail picture
Lithographing presses for printing charts; lithograph stone on transfer press. In: Putnam, G.R. 1908. Nautical Charts. J. Wiley and Sons, New York.
5832 thumbnail picture
Field's protractor and parallel ruler in use on a chart, plotting bearing of a lighthouse. In: Putnam, G.R. 1908. Nautical Charts. J. Wiley and Sons,
5833 thumbnail picture
Three-arm protractor in use on a chart, plotting position from two angles. In: Putnam, G.R. 1908. Nautical Charts. J. Wiley and Sons, New York.
5834 thumbnail picture
Coast and Geodetic Survey Tide Predicting Machine No. 2. Dial case and front component section.
5835 thumbnail picture
British Association Tide Predicting Machine.
5836 thumbnail picture
Unidentified component of tide predicting machine.
5837 thumbnail picture
Unidentified component of tide predicting machine.
5838 thumbnail picture
Roberts Universal Tide Predictor.
5839 thumbnail picture
Coast and Geodetic Survey Tide Predicting Machine No. 2. Time side.
5840 thumbnail picture
Coast and Geodetic Survey Tide Predicting Machine No. 2. Forward driving shaft, Rear component section.
5841 thumbnail picture
Roberts or India Office Tide Predicting Machine.
5842 thumbnail picture
Dial case of Coast and Geodetic Survey Tide Predicting Machine No. 2.
5843 thumbnail picture
Ferrel Tide prediction machine. Tide Predicting Machine No. 1 of the Coast and Geodetic Survey.
5844 thumbnail picture
Main driving gears and automatic stopping devices of Coast and Geodetic Survey Tide Predictng Machine No. 2.
5845 thumbnail picture
Coast and Geodetic Survey Tide Prediction Machine No. 2. Front component section - vertical driving shaft.
5846 thumbnail picture
Coast and Geodetic Survey Tide Prediction Machine No. 2. Dial case and height side.
5847 thumbnail picture
A Kelvin Tide Predicting Machine ca. 1926. This particular model was used by Japan, Portugal, and the Tidal Institute of Glasgow.
5848 thumbnail picture
Back end of Coast and Geodetic Survey Tide Prediction Machine No. 2.
Washington, D.C.
5849 thumbnail picture
A heliotroper at Mount Margaret triangulation station just north of Spirit Lake.
Washington, Mount Margaret

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Last Updated:
April 30, 2013