1750 | |
Shore camp for Tellurometer and angle measurements. Party off of PATHFINDER |
Chinitna Bay area, Alaska 1970 |
1751 | |
Lester B. Smith making Tellurometer observations. Off of SURVEYOR |
South shore, American Samoa 1971 |
1752 | |
Electro-chain observations. Off of PATHFINDER |
Tuxedni Bay, Cook Inlet, Alaska June 1970 |
1753 | |
Laser beam from Geodimeter. Transcontinental traverse party of Woodrow Johnson |
Mojave Desert, California 1972 |
1754 | |
Laser beam from Geodimeter. Transcontinental traverse party of Woodrow Johnson |
Mojave Desert, California 1972 |
1755 | |
Claude Stevens operating Geodimeter. Transcontinental traverse party of Woodrow Johnson |
Mojave Desert, California 1972 |
1756 | |
Laser light emitting from Geodimeter. Transcontinental traverse party of Woodrow Johnson |
Mojave Desert, California 1972 |
1757 | |
Prismatic mirrors for reflecting laser light beam. Transcontinental traverse party of Woodrow Johnson |
Mojave Desert, California 1972 |
1758 | |
Small infra-red light geodimeter |
Southeast Alaska |
1759 | |
Total station geodimeter used for calibrating ship navigation system. Off of NOAA Ship PEIRCE |
Eleuthera Island, Bahamas Islands 1985 |
1760 | |
Total station geodimeter used for calibrating ship navigation system. Off of NOAA Ship PEIRCE |
Eleuthera Island, Bahamas Islands 1985 |
1761 | |
Total station geodimeter used for calibrating ship navigation system. Off of NOAA Ship PEIRCE |
Eleuthera Island, Bahamas Islands 1985 |
1762 | |
Diagram of plane table with cutaway showing tripod head. C&GS Superintendent's Report for 1865 |
1865 |
1763 | |
Plane table crew in Prince William Sound area. Crew off of TAKU |
Prince William Sound area 1910? |
1764 | |
Plane table setup on undercut coral islet. Crew off of PATHFINDER |
Philippines 1910 |
1765 | |
Plane table setup in water |
Philippines 1910? |
1766 | |
Plane table setup on undercut coral islet. Crew off of PATHFINDER |
West Coast of Dinagat Island, Philippines 1910 |
1767 | |
Plane table setup on a coral reef. Crew off of PATHFINDER |
Philippines 1910 |
1768 | |
Plane table setup on a boulder |
Cook Inlet, Alaska 1910? |
1769 | |
Filipino padre watching topographic work. Crew off of FATHOMER |
Philippines 1910 |
1770 | |
Plane table mapping in the foothills of Mt. Natazhat. International Boundary Commission work |
141st Meridian, Alaska - Canada Boundary |
1771 | |
Plane table party locating a rock that bares only at a minus tide. Combined operations party of C. G. Quillian |
Indian Rock, Felice Straits, Alaska 1915 |
1772 | |
Plane table work on a rocky shore. |
Southeast Alaska 1916 |
1773 | |
C. D. Meaney at Marquesas, Florida Reef topography. Working offshore in the water to cut in mangrove swamp line |
Marquesas Florida Reef 1919 |
1774 | |
Plane table setup in mangrove swamp. Crew off of SIALIA |
Near Miami, Florida 1919 |
1775 | |
Charles D. Meaney and plane table party |
Boca Grande, Florida 1919 |
1776 | |
Plane table set up in the water. Crew off of SIALIA |
Near Miami, Florida 1919 |
1777 | |
Plane table work in Southeast Alaska. Crew off of EXPLORER |
Southeast Alaska 1921 |
1778 | |
Rodman with stadia rod for distance measurement. Crew off of EXPLORER |
Southeast Alaska 1921 |
1779 | |
Elliott B. Roberts on plane table. Crew off of SURVEYOR |
Southeast Alaska 1925 |
1780 | |
Plane table setup in vicinity of mangrove swamps |
Philippines 1920? |
1781 | |
Jack Bond - victim of crocodile attack. Huge agressive salt-water crocodiles were common in the southern Philippines. At least one other Coast Surveyor was attacked by crocodile |
Tawi Tawi, Philippines October 17, 1925 |
1782 | |
Bloomberg's topo party on Calayan Island. Crew off of PATHFINDER |
Philippines 1925 |
1783 | |
Bloomberg on the instrument. Off of PATHFINDER |
Philippines 1925 |
1784 | |
Paul Smith on the plane table. Off of HYDROGRAPHER |
Palmasola Bay, Tampa area, Florida 1925 |
1785 | |
Carl Aslakson on plane table. Off of Launch ELSIE |
St. Augustine, Florida 1924 |
1786 | |
Topo work among the Spanish bayonet. Off of Launch ELSIE |
St. Augustine, Florida 1924 |
1787 | |
A hot day on the beach at Bird Island. Off of Launch ELSIE |
St. Augustine, Florida 1924 |
1788 | |
Paul Smith on the plane table. Off of HYDROGRAPHER |
Palmasola Bay, Tampa area, Florida 1926 |
1789 | |
Occupying station for reconnaissance along arc from Fairbanks to 141st Meridian. Reconnaissance party of Sam O. White. What a grand dog! |
East-Central Alaska 1926 |
1790 | |
Carl Aslakson at plane table in mangrove area. Crew off of MARINDUQUE |
Philippines 1928? |
1791 | |
Paul Smith at alidade. Off of SURVEYOR |
Alaska 1928? |
1792 | |
L. S. Hubbard at plane table in glacial area. Off of SURVEYOR |
Harris Bay, Kenai Peninsula, Alaska 1928 |
1793 | |
Paul Smith on the plane table. Off of SURVEYOR |
Kenai Peninsula, Alaska 1928 |
1794 | |
L. S. Hubbard at plane table in glacial area. Off of SURVEYOR |
Harris Bay, Kenai Peninsula, Alaska 1928 |
1795 | |
Traverse party at foot of ice cliffs on Crillon Glacier. Party off of SURVEYOR |
Glacier Bay area 1927 |
1796 | |
Plane table topography in Prince William Sound area. Party off of SURVEYOR |
Prince William Sound, Alaska 1930? |
1797 | |
Topo work in Black Bay area. Party off of WESTDAHL |
Black Bay, Southeast Alaska 1930 |
1798 | |
Sextometer invented by Carl Aslakson. Known distance between sighting points. Sextant angle varies with distance |
Philippines 1930? |
1799 | |
Sextometer invented by Carl Aslakson. Known distance between sighting points. Sextant angle varies with distance |
Philippines 1930 |