| 1650 |  |
Night observing on Mt. Gallatin. Triangulation party of William M. Scaife |
Montana 1922 |
1651 |  |
P. C. Doran observing. 10" Bausch and Lomb theodolite. Triangulation party of William M. Scaife |
Alaska 1924 |
1652 |  |
The old ring wall at Station Tushar. Elevation 12132 feet. Reconnaissance party of William Musseter |
Utah 1925 |
1653 |  |
Observing at Station Armory. Triangulation party of E. O. Heaton |
Rochester, New York 1925 |
1654 |  |
Observing tent on Station Armory. Triangulation party of E. O. Heaton |
Rochester, New York 1925 |
1655 |  |
C&GS 12" theodolite. Triangulation party of E. O. Heaton |
Rochester, New York 1925 |
1656 |  |
6 and 1/2 inch Fennel theodolite. Triangulation party of E. O. Heaton |
Rochester, New York 1925 |
1657 |  |
Observing at Station Armory. Triangulation party of E. O. Heaton |
Rochester, New York 1925 |
1658 |  |
Theodolite tied on top of water tank. Seaside Park Water Tank - New Jersey |
Seaside Park, New Jersey 1926 |
1659 |  |
Traverse survey in Atlanta. Triangulation party of E. O. Heaton |
Atlanta, Georgia 1927 |
1660 |  |
The old ring wall at Station Tushar. Elevation 12132 feet. Reconnaissance party of William Musseter |
Utah 1925 |
1661 |  |
Observing on west shore of Chatham Strait. Triangulation party of J. M. Smook |
Southeast Alaska 1925 |
1662 |  |
Observing at Station Meade in Frederick Sound. Triangulation party of J. M. Smook |
Southeast Alaska 1925 |
1663 |  |
Instruments used during geodetic survey of Atlanta. Triangulation party of E. O. Heaton |
Atlanta, Georgia 1927 |
1664 |  |
Observing tent at Station Panamint. Telescope Peak in background. Triangulation party of William Musseter |
Death Valley area, California 1926 |
1665 |  |
Robert Earle running traverse survey in Cooper River area. Off launch ELSIE |
Charleston, South Carolina 1928 |
1666 |  |
Florida traverse party 1928. Off ship HYDROGRAPHER |
West coast of Florida 1928 |
1667 |  |
Triangulation work on Kodiak Island. Off ship SURVEYOR |
Kodiak Island, Alaska 1929 |
1668 |  |
Finished observations - built signal - going home. Off ship SURVEYOR |
Kodiak Island, Alaska 1929 |
1669 |  |
3rd order triangulation on west end of Kodiak Island. Off ship SURVEYOR |
Kodiak Island, Alaska 1929 |
1670 |  |
Small umbrella lashed to alpenstock - shading instrument from sun. Triangulation party of William M. Scaife |
Southeast Alaska 1929 |
1671 |  |
Parkhurst Theodolite. Triangulation party of Paul A. Smith |
Midwest United States 1931? |
1672 |  |
Reconnaissance setup to see over mesquite brush. Reconnaissance party of Charles Schanck |
Southwest Texas 1932 |
1673 |  |
Triangulation station in shoal water. Combined operations party of Hubert A. Paton |
Southeast United States 1934 |
1674 |  |
Setup in marshy land. Traverse party of G. C. Mattison |
North Carolina 1933 |
1675 |  |
Observer Atridge at Station Hackberry. Triangulation party of Wilbur Porter |
Nebraska 1933 |
1676 |  |
Observing stand in western Nebraska. Triangulation party of Wilbur Porter |
Nebraska 1933 |
1677 |  |
Observing stand in western Nebraska. Triangulation party of Wilbur Porter |
Nebraska 1933 |
1678 |  |
Observing in western Nebraska. Chase, Smith, and Nicodemus. Recorder sitting and writing down angle observations. Triangulation party of Wilbur Porter |
Nebraska 1933 |
1679 |  |
Observing in western Nebraska. Chase, Smith, and Nicodemus. Recorder sitting and writing down angle observations. Triangulation party of Wilbur Porter |
Nebraska 1933 |
1680 |  |
Observing at Station BAIN 1905. Combined operations party off WESTDAHL |
White Pass area, Taku Inlet, Alaska 1936 |
1681 |  |
William Russell observing. Combined operations party off LYDONIA |
Port of Spain, Trinidad 1940 |
1682 |  |
"O" party on 103' tower in Missouri. Triangulation party of Carl Aslakson |
Ozark Mountains, Missouri 1935 |
1683 |  |
Observing party on Washington Monument. Took advantage of scaffolding from 1934 cleaning of monument. |
Washington, D.C. November 19, 1934 |
1684 |  |
Observing from station Tiger South. Triangulation in support of aerial photography. Triangulation party of Harold J. Oliver |
King County, Washington 1937 |
1685 |  |
Map showing status of triangulation as of 1937. |
United States 1937 |
1686 |  |
Observing tent on Sequam Island. Note wind causing billowing tent |
1941 |
1687 |  |
Triangulation observations on Cape Prince of Wales. The westernmost point of North America. Triangulation party of A. Newton Stewart |
Seward Peninsula, Alaska 1944 |
1688 |  |
Observing at Station Rusty following 1964 Alaska earthquake. Station elevation subsided at least 12' during quake. Party off of HODGSON |
Cook Inlet, Alaska 1964 |
1689 |  |
Wild T-3 theodolite. |
|
1690 |  |
Wild T-3 theodolite in use. riangulation Station "CASTLE" , Westchester County, New York. The observer is Dan Novak and the other person is E. Dean Wegner. Chief of Party G-19 was James L. Cook. The station is on the Terrytown Castle. |
Westchester County, New York 1964 |
1691 |  |
Burt Wilhelm observing at Kelp Bay. Off of FAIRWEATHER |
Southeast Alaska 1985 |
1692 |  |
Triangulation work in Virgin Islands National Park. Party off of PEIRCE |
St. John, U.S. Virgin Islands 1985 |
1693 |  |
Dennis Wegenast observing with Wild T-3. Transcontinental Traverse Party of Woodrow Johnson |
Mojave Desert, California 1972 |
1694 |  |
Wild T-3 at twilight. Transcontinental Traverse Party of Woodrow Johnson |
Mojave Desert, California 1972 |
1695 |  |
Heliograph at Station 22. Alaska - Canada border. International Boundary Commission |
Alaska - Canada Boundary 1911 |
1696 |  |
Signaling with heliograph near Monument 92. Alaska - Canada border. International Boundary Commission |
Alaska - Canada Boundary 1910 |
1697 |  |
Heliotrope being used in western United States |
Western United States 1878? |
1698 |  |
Light reflecting from heliotrope. Triangulation party of William M. Scaife |
Montana-Idaho 1922 |
1699 |  |
Battery-powered electric signal lamp. Triangulation party of William M. Scaife |
Montana-Idaho 1922 |
