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

900 thumbnail picture
Granite obelisk used to designate one of the end points of the baseline measured by Alexander Dallas Bache on Dauphin Island in 1847. This granite marker is now in Ft. Gaines at the entrance to Mobile Bay. Although moved from its original location, it is the oldest known Coast Survey marker on the Gulf Coast.
Alabama, Dauphin Island
901 thumbnail picture
"U.S. Coast Survey" inscribed on granite obelisk which marked an end point of the baseline measured by Alexander Dallas Bache on Dauphin Island in 1847. It is now in Ft. Gaines at the entrance to Mobile Bay. Although moved from its original location, it is the oldest known Coast Survey marker on the Gulf Coast.
Alabama, Dauphin Island
902 thumbnail picture
"1847" inscribed on granite obelisk which marked an end point of the baseline measured by Alexander Dallas Bache on Dauphin Island in 1847. This granite marker is now in Ft. Gaines at the entrance to Mobile Bay. Although moved from its original location, it is the oldest known Coast Survey marker on the Gulf Coast.
Alabama, Dauphin Island
903 thumbnail picture
"A.D. BACHE, SUPTDT" inscribed on granite obelisk which marked an end point of the baseline measured by Alexander Dallas Bache on Dauphin Island in 1847. It is now in Ft. Gaines at the entrance to Mobile Bay. Although moved from its original location, it is the oldest known Coast Survey marker on the Gulf Coast.
Alabama, Dauphin Island
904 thumbnail picture
"BASE No. 5" inscribed on granite obelisk which marked an end point of the baseline measured by Alexander Dallas Bache on Dauphin Island in 1847. It is now in Ft. Gaines at the entrance to Mobile Bay. Although moved from its original location, it is the oldest known Coast Survey marker on the Gulf Coast.
Alabama, Dauphin Island
905 thumbnail picture
Granite obelisk used to designate one of the end points of the baseline measured by Alexander Dallas Bache on Dauphin Island in 1847. This granite marker is now in Ft. Gaines at the entrance to Mobile Bay. Although moved from its original location, it is the oldest known Coast Survey marker on the Gulf Coast.
Alabama, Dauphin Island
906 thumbnail picture
Classic paper on earthquake mechanisms and nature of faulting on the Mid- Atlantic Ridge which established beyond a doubt the nature of motion of transform faults on ridge systems. This was a major proof of the Theory of Plate Tectonics. Sykes was at the ESSA (forerunner of NOAA) Institute for Earth Sci ences and used data from the C&GS World-Wide Standardized Seismograph Network.
907 thumbnail picture
The original coastal and offshore sounding database. The Coast Survey stored and archived its surveys from 1832 forward. Scientists such as Francis Shepard, Maurice Ewing, Harry Hess, and many others were frequent visitors to the C&GS for this data as well as magnetic, gravity, and seismological expertise prior to World War II.
Washington, D.C.
908 thumbnail picture
Graphic representation of echo sounding and radio acoustic ranging navigation.
909 thumbnail picture
Graphic representation of radio acoustic ranging navigation (RAR) as used by the Coast and Geodetic Survey. With this system, the C&GS surveyed the continental shelf and continental slope of most U.S. waters prior to the World War II with unprecedented accuracy for far offshore surveys. Many discoveries were made including many unknown canyons, seamounts, and Mendocino Escarpment.
910 thumbnail picture
Offshore survey of the approaches to New York in 1936 showing delineation of Hudson Canyon and other previously unknown canyons. The diagram illustrates the use of various methods of navigational control including visual, taut-wire buoy traverses, and radio acoustic ranging (RAR).
911 thumbnail picture
Taut-wire sun azimuth controlled surveys. Basically a form of baseline measurement and triangulation that allowed positioning buoys for both visual surveys and RAR surveys far offshore. Accuracy was of the order of 1 part in 3000.
912 thumbnail picture
A cartoon of a survey ship approaching a radio acoustic ranging (RAR) radio sono-buoy. The radio sono-buoy technology was adopted by the Navy for World War II anti-submarine warfare and has continued evolving in increasingly sophisticated incarnations.
913 thumbnail picture
An early attempt by the great Coast and Geodetic Survey hydrographer Aaron Shalowitz to understand the nature of sound velocity in the open ocean. In this instance, this is a shallow water representation of the sound velocity structure and does not take into account what has become known as the deep sound channel.
914 thumbnail picture
Studies of changing configurations of barrier islands through time in the vicinity of present day Atlantic City, New Jersey.
New Jersey, Absecon Inlet, Atlantic City
915 thumbnail picture
Studies of changing configurations of barrier islands through time in the vicinity of present day Rockaway Inlet, New York.
New York, Long Island, Rockaway Inlet
916 thumbnail picture
Studies of changing configurations of barrier islands through time in the vicinity of present day Sandy Hook and Barnegat Inlet, New Jersey.
New Jersey, Sandy Hook and Barnegat Inlet
917 thumbnail picture
Sketch showing where very precise studies of the sound velocity structure of the ocean was conducted by the C&GS ships PIONEER and GUIDE in 1933. These studies were conducted to better understand the sound velocity structure for use with the radio acoustic ranging navigation system. Understanding of both reflection and refraction of sound in the ocean resulted from these experiments.
California, Channel Islands
918 thumbnail picture
The Coast and Geodetic Survey signal placed on the top of Mount Shasta in 1879. By 1885, this signal was covered with the universal human urge to declare "I was here" and made it to the top.
California, Mount Shasta
919 thumbnail picture
A post card showing proof that a hardy group of tourists had made it to the top of this 14,000 foot plus peak. The proof is in touching the C&GS marker left there by Coast and Geodetic Survey personnel in 1879.
California, Mount Shasta
920 thumbnail picture
Night and holiday pass to get into Commerce Building for Arthur Howerter, a Coast and Geodetic Survey employee. A continuation of World War II security measures.
921 thumbnail picture
Night and holiday pass to get into Commerce Building for Arthur Howerter, a Coast and Geodetic Survey employee. A World War II security measure that allowed critical Coast and Geodetic Survey personnel and those on shift work to get into the main Department of Commerce Building.
922 thumbnail picture
Department of Commerce, U.S. Coast and Geodetic Survey, identification card during Cold War era.
923 thumbnail picture
Cold War era instructions telling employees where to assemble in the event the main work place was destroyed in an attack.
1952 July 31
924 thumbnail picture
Cold War era instructions giving employees instructions as to what to do in the event of a nuclear attack.
925 thumbnail picture
If you happen to survive an atomic attack, mail this card to the local Civil Service Commission and wait for a reply. Instructions follow on images cgs00941 through cgs00945.
1954 June 16
926 thumbnail picture
If you happen to survive an atomic attack, mail this card to the local Civil Service Commission and wait for a reply. Instructions follow on images cgs00941 through cgs00945.
1954 June 16
927 thumbnail picture
Page 1 of instructions for what to do following an atomic attack.
1954 June 16
928 thumbnail picture
Page 2 of instructions for what to do following an atomic attack.
1954 June 16
929 thumbnail picture
Page 3 of instructions for what to do following an atomic attack.
1954 June 16
930 thumbnail picture
Page 4 of instructions for what to do following an atomic attack.
1954 June 16
931 thumbnail picture
German W/T (wireless-telegraphy) transmitter antennas located by photogrammetry.
932 thumbnail picture
German W/T (wireless-telegraphy) transmitter antennas located by photogrammetry.
933 thumbnail picture
United States Coast Survey Brig Washington monument at Congressional Cemetery in Washington, D.C.
934 thumbnail picture
Wien Alaska Airlines float plane providing transportation for Coast and Geodetic Survey crew.
1944 ca.
935 thumbnail picture
Fueling Wien Alaska Airlines float plane by hand. Coast and Geodetic Survey crew waiting for transportation to the next station.
1944 ca.
936 thumbnail picture
Doing something with a tree stump in a lake somewhere in Alaska
937 thumbnail picture
Rowing rubber raft used for transportation somewhere in Alaska
938 thumbnail picture
Survey crew camp life on the Alcan Highway.
939 thumbnail picture
Survey crew camp life on the Alcan Highway.
940 thumbnail picture
Survey crew camp life on the Alcan Highway. Can't shoot the mosquitoes so needed netting to protect skin.
941 thumbnail picture
Survey crew camp life on the Alcan Highway. Modeling the latest in mosquito netting.
942 thumbnail picture
Survey crew camp life on the Alcan Highway.
943 thumbnail picture
Survey crew camp life on the Alcan Highway.
944 thumbnail picture
Survey crew camp life on the Alcan Highway. Whether the knife doing the shaving or the cigar endangering putting the beard on fire is the worst danger, the barber shop patron has yet to decide.
945 thumbnail picture
Survey crew camp life on the Alcan Highway. It's a long way to anywhere from the Alcan Highway. The Canada-Alaska border.
946 thumbnail picture
Survey crew camp life on the Alcan Highway. Posing at the Alaska-Canada border.
947 thumbnail picture
Coast and Geodetic Survey triangulation crew at the Chandelier Tree in Underwood Park.
California, Leggett 1945
948 thumbnail picture
Coast and Geodetic Survey triangulation crew at the Chandelier Tree in Underwood Park.
California, Leggett
949 thumbnail picture
Coast and Geodetic Survey triangulation crew at the Chandelier Tree in Underwood Park.
California, Leggett

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Last Updated:
May 12, 2014