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

4800 thumbnail picture
Burt Wilhelm observing at Kelp Bay. Off of FAIRWEATHER
Southeast Alaska 1985
4801 thumbnail picture
Triangulation work in Virgin Islands National Park. Party off of PEIRCE
St. John, U.S. Virgin Islands 1985
4802 thumbnail picture
Dennis Wegenast observing with Wild T-3. Transcontinental Traverse Party of Woodrow Johnson
California, Mojave Desert 1972
4803 thumbnail picture
Wild T-3 at twilight. Transcontinental Traverse Party of Woodrow Johnson
California, Mojave Desert 1972
4804 thumbnail picture
Heliograph at Station 22. Alaska - Canada border. International Boundary Commission
Alaska - Canada Boundary 1911
4805 thumbnail picture
Signaling with heliograph near Monument 92. Alaska - Canada border. International Boundary Commission
Alaska - Canada Boundary 1910
4806 thumbnail picture
Heliotrope being used in western United States
Western United States 1878?
4807 thumbnail picture
Light reflecting from heliotrope. Triangulation party of William M. Scaife
Montana-Idaho 1922
4808 thumbnail picture
Battery-powered electric signal lamp. Triangulation party of William M. Scaife
Montana-Idaho 1922
4809 thumbnail picture
Heliotrope setup at camp of lightkeeper. Triangulation party of William M. Scaife
Montana-Idaho 1922
4810 thumbnail picture
Showing light at Station Northome. Battery powered lights about 110 feet above ground. Triangulation party of Carl Aslakson
Northome, Minnesota August 1934
4811 thumbnail picture
Signal lamps
4812 thumbnail picture
Signal lamp and batteries
4813 thumbnail picture
Measuring baseline with wooden rods. French expedition to Peru
Peru 1730?
4814 thumbnail picture
Irish Ordinance Survey baseline. First to use bi-metallic compensating principal for base line measurement
Ireland 1828
4815 thumbnail picture
Use of odometer for measuring distances
England 1728
4816 thumbnail picture
Land surveyor using odometer in United States. A private county surveyor
United States Eastern 1850?
4817 thumbnail picture
Coast Survey party measuring Key Largo Base. Base Line party of Alexander Dallas Bache
Florida, Key West 1854
4818 thumbnail picture
Coast Survey party measuring Epping Plains Base. The last base line measured by Bache. Base Line party of Alexander Dallas Bache
Maine, Epping Plains 1857
4819 thumbnail picture
Coast Survey party measuring Epping Plains Base. The last base line measured by Bache. Base Line party of Alexander Dallas Bache
Maine, Epping Plains 1857
4820 thumbnail picture
Graded road made to measure Epping Plains Base. Base Line party of Alexander Dallas Bache
Maine, Epping Plains 1857
4821 thumbnail picture
Yolo Buggy used to transport and shade base measuring instruments. Yolo Base Line, one of the most accurate measured in the Nineteenth Century. Base Line party of George Davidson
Sacramento Valley, California 1881
4822 thumbnail picture
Yolo Buggy with George Davidson. Base Line party of George Davidson. The last time such buggies were used was in 1962
Sacramento Valley, California 1881
4823 thumbnail picture
Army surveyor with odometer carriage. Survey of public lands. Odometer worked fairly well on flat ground
1880's
4824 thumbnail picture
Shelton 100-meter comparator -- Making contact. William Bowie on left
Midwest United States 1902?
4825 thumbnail picture
At work with No. 17. William Bowie in center with white hat
Midwest United States 1902?
4826 thumbnail picture
Shelton 100-meter comparator
Midwest United States 1902?
4827 thumbnail picture
Running levels along the Stanfield Base. Base line and astro party of C. V. Hodgson
Stanfield, Oregon 1916
4828 thumbnail picture
Measuring base with Invar tape. Tape underway. Base line and astro party of C. V. Hodgson
Stanfield, Oregon 1916
4829 thumbnail picture
Off to measure a base with Invar tape. Party of C. G. Quillian
Southeast Alaska 1916
4830 thumbnail picture
Time and tide waits for no man. Base line measurement in southeast Alaska. Party of C. G. Quillian
Southeast Alaska 1916
4831 thumbnail picture
It sure is tough to stay dry with the tide coming in. Base line measurement in southeast Alaska. Party of C. G. Quillian
Southeast Alaska 1916
4832 thumbnail picture
Measuring the Pasadena Base. Measured at accuracy of at least 1 part in 5 million. Measured accurately to help Albert Michelson determine velocity of light. Base line party of Clement L. Garner
Pasadena, California 1922
4833 thumbnail picture
Measuring through house on Pasadena Base. Line selected to pass through window and out other side. Base line length was over 20 miles. Base line party of Clement L. Garner
Pasadena, California 1922
4834 thumbnail picture
Crossing ravines on stands to keep line horizontal. Pasadena Base measurement. Base line party of Clement L. Garner
Pasadena, California 1922
4835 thumbnail picture
Measuring Pasadena Base across wash at foot of San Antonio Canyon. Base line party of Clement L. Garner
Pasadena, California 1922
4836 thumbnail picture
Base line measurement with Invar tape. Off Launch ELSIE
Georgia coast 1924
4837 thumbnail picture
Traverse measurements in sub-zero conditions. Making front contact. Traverse party of Casper Durgin
Canada - Minnesota border 1924
4838 thumbnail picture
Traverse measurements in sub-zero conditions. Traverse party of Casper Durgin
Canada - Minnesota border 1924
4839 thumbnail picture
Making short setup with steel tape at Station Goodman. Triangulation party of E. O. Heaton
Rochester, New York 1925
4840 thumbnail picture
Making rear contact. Triangulation party of E. O. Heaton
Rochester, New York 1925
4841 thumbnail picture
Measuring the base - note police protection. Triangulation party of E. O. Heaton
Rochester, New York 1925
4842 thumbnail picture
Base line measurement - maintaining proper tension on the tape.
4843 thumbnail picture
Lining stakes in on the Ranchester Base. Triangulation party of Herman Odessey
Ranchester, Wyoming 1925
4844 thumbnail picture
Measuring over stands on the Inman Base. Triangulation party of E. O. Heaton
Georgia, Atlanta 1927
4845 thumbnail picture
Traverse party at Station Turn. Area flooded after August 13, 1928 hurricane. Party off of HYDROGRAPHER
West Coast of Florida 1928
4846 thumbnail picture
Traverse party in the Everglades. Forward measurement party. Party off of HYDROGRAPHER
West Coast of Florida 1928
4847 thumbnail picture
Taking measurement while tension being maintained.
4848 thumbnail picture
Base line measurement party. Triangulation party of Carl Aslakson
United States East Coast 1934?
4849 thumbnail picture
Taping across intersection. St. Nicholas and Amsterdam Avenue. Note police protection
New York City 1937

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Last Updated:
July 7, 2015