NOAA Photo Library Banner
Takes you to the Top Page Takes you to the About this Site page. Takes you to the Contacts page. Takes you to the HELP page. Takes you to the Credits page. Takes you to the Collections page. Takes you to the search page. Takes you to the Links page.


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

5250 thumbnail picture
Wiredrag operations at Elephant Butte Reservoir for seaplane landing site. Wiredrag party of Max Ricketts
New Mexico, Elephant Butte Reservoir 1942
5251 thumbnail picture
Leadline sounding during wiredrag operations. Wiredrag party of Max Ricketts
New Mexico, Elephant Butte Reservoir 1942
5252 thumbnail picture
Wiredrag gear on the stern of the LESTER JONES.
5253 thumbnail picture
Buoys crushed from being swept under by tidal currents. Operations on the LESTER JONES
5254 thumbnail picture
Current meter being deployed. Operations on the LESTER JONES
5255 thumbnail picture
Wiredrag operations on the LESTER JONES.
5256 thumbnail picture
Launch wiredrag operations. L to r - guide launch, tender, end launch. Launches off of PATHFINDER
Washington, Guemes Channel, Anacortes 1958
5257 thumbnail picture
Diagram of wiredrag operations ca. 1980. Basically the same system as devised in the early Twentieth Century
5258 thumbnail picture
Chain drag operation - hung up on obstruction. Launches off of PEIRCE
Delaware Bay 1985
5259 thumbnail picture
Pole signal with tin cone for reflecting sunlight. Constructed by survey crews under direction of Ferdinand Hassler. Sketch by Assistant John Farley - view looking to south across Long Island Sound
Connecticut shore 1837
5260 thumbnail picture
Tripod signal with tin cone for reflecting sunlight. At signal West Base, west end of Great Fire Island Base Line. Constructed by survey crews under direction of Ferdinand Hassler. Sketch by Assistant John Farley - view looking to east
Fire Island, New York 1837?
5261 thumbnail picture
Wooden tower within a tower. Outer tower supports personnel - inner tower supports instrument. First devised by Assistant Edmund Blunt to see over marshes in Delaware Bay area
1855
5262 thumbnail picture
Survey tower with signal pole and tin cone. At west end of Epping Base Line. Survey monument shows below tower. Stakes on graded surface were for aligning base measuring instruments
Maine, Epping Plains 1857
5263 thumbnail picture
Signal pole with flag and tin cone for reflecting sunlight. Epping Plains area of Maine
1857
5264 thumbnail picture
Signal at Stillpond, Maryland. Instrument height of 120 feet - top of signal 275 feet. 39th Parallel Survey. Record signal height from wooden tower
Maryland 1880?
5265 thumbnail picture
Field sketch of signal pole on tree stump. Sketch by Cephas Sinclair
Louisiana, Atchafalaya River, 1888
5266 thumbnail picture
129 foot wooden tower at Station Tate. Horse and buggy at lower right corner for scale. Triangulation party of A. T. Mosman
Ohio, Clermont County 1892
5267 thumbnail picture
Station Tate showing attached signal pole. Top of signal pole is 175 feet above ground. Triangulation party of A. T. Mosman
Ohio, Clermont County 1892
5268 thumbnail picture
Station Greene, Indiana. Instrument height is 152 feet above ground. 39th Parallel Survey. Triangulation party of George A. Fairfield
Jennings County, Indiana 1890
5269 thumbnail picture
Station Greene, Indiana. Instrument height is 152 feet above ground. 39th Parallel Survey. Triangulation party of George A. Fairfield
Jennings County, Indiana 1890
5270 thumbnail picture
Great Caspar Signal - built around tree trunk. Note boatswain chair transporting man to top. 135-foot signal --- main wood scaffold supports instrument. Tree trunk supports small scaffolding and observer at top. Western terminus of 39th Parallel Survey
Northern California 1878
5271 thumbnail picture
Wooden signal being built in Alaska.
Alaska 1943?
5272 thumbnail picture
Jasper Bilby setting up 60' reconnaissance pole. At Station Elbow - connecting with 98th Meridian Survey
Minnesota 1903
5273 thumbnail picture
John F. Hayford observing from 60' reconnaissance pole. On 98th Meridian Survey. Checking for intervisibility between stations. Helping plan for necessary height of tower at station
Minnesota 1903
5274 thumbnail picture
Jasper S. Bilby observing from short reconnaissance pole attached to tree. On 98th Meridian Survey. Checking for intervisibility between stations. Helping plan for necessary height of tower at station
Minnesota 1903
5275 thumbnail picture
Jasper S. Bilby observing from reconnaissance pole attached to tree. Top of pole is 104 feet above ground. Checking for intervisibility between stations. Helping plan for necessary height of tower at station
Minnesota 1903
5276 thumbnail picture
Beginning to erect tower at Station Hugo. Lines snapped dropping pole seconds after picture. Triangulation party of William H. Burger
The Devils Backbone, Hays County, Texas 1903
5277 thumbnail picture
Raising one side of instrument tripod at Station Hugo. Triangulation party of William H. Burger
The Devils Backbone, Hays County, Texas 1903
5278 thumbnail picture
Raising third leg of instrument tripod at Station Hugo. Triangulation party of William H. Burger
The Devils Backbone, Hays County, Texas 1903
5279 thumbnail picture
Framing first and third leg of instrument tripod at Station Hugo. Triangulation party of William H. Burger
The Devils Backbone, Hays County, Texas 1903
5280 thumbnail picture
Completed instrument tripod at Station Foss. Photo #1 of sequence
Minnesota, Wilkin County 1904
5281 thumbnail picture
First side of observer scaffolding being raised at Station Foss. Photo #2 of sequence
Minnesota, Wilkin County 1904
5282 thumbnail picture
Both sides of observer scaffolding in place at Station Foss. Photo #3 of sequence
Minnesota, Wilkin County 1904
5283 thumbnail picture
Putting ties on scaffolding at Station Foss. Photo #4 of sequence
Minnesota, Wilkin County 1904
5284 thumbnail picture
Completed tower with internal instrument tripod at Station Foss. This station took 1 and 1/2 days to complete. Photo #5 of sequence
Minnesota, Wilkin County 1904
5285 thumbnail picture
Station Pen in Washington. Triangulation party of O. B. French - occupied by J. S. Hill. Instrument was mounted on tree trunk. Instrument remained steady in azimuth but unsteady in level
Washington 1905
5286 thumbnail picture
Station Gibuson - a 68 foot tree signal. Party of John F. Pratt - off of PATHFINDER
Philippines 1910
5287 thumbnail picture
White River West Base on the 141st Meridian Survey. International Boundary Commission surveyors
Alaska-Canada Boundary 141st Meridian 1911
5288 thumbnail picture
Rock cairn signal at divide between two main forks of the Ladue River. International Boundary Commission surveyor
Alaska-Canada Boundary 141st Meridian 1911
5289 thumbnail picture
Platform and stand built between two trees on Olympic Peninsula. Note man standing on platform. Triangulation party of H. A. Seran
Olympic Peninsula, Washington 1914
5290 thumbnail picture
The crow's nest at Station Moclips - 215 feet above the ground. Note spikes driven into tree - builders would drive spikes and go hand over hand . Triangulation party of H. A. Seran. According to Seran: "It took men of uncommon nerve to do this work."
Olympic Peninsula, Washington 1914
5291 thumbnail picture
239-foot tower built on Bugsuk Island in southwest Philippines. This tower was built completely from native timber cut on location. It took 19 men off the PATHFINDER three weeks to build this signal. This was the largest wooden tower ever built by the C&GS. Used for both observing and as a signal
Philippine Islands 1915
5292 thumbnail picture
Wind tarps draping tower at Station Bippus. Wind tarps protect inner instrument tower from wind. Triangulation party of Earl O. Heaton
California, Death Valley area 1921
5293 thumbnail picture
Removing wind tarps at Station Umbarger. Wind tarps protect inner instrument tower from wind. Triangulation party of Earl O. Heaton
Randall County, Texas 1921
5294 thumbnail picture
100-foot tower at Bozeman NW Base. Note man at top. Triangulation party of William M. Scaife
Montana, Bozeman 1922
5295 thumbnail picture
115-foot tower built around tree on Sarangani Island.
Philippine Islands 1923
5296 thumbnail picture
Tower at Station Mangal. Topographic party working on the beach
Philippine Islands 1924
5297 thumbnail picture
Tower with signal flag at Station Bint. At Bihintinusa Island off the south coast of Basilan. Built by crew off the MARINDUQUE
Philippine Islands 1924
5298 thumbnail picture
Station Mangal from offshore. Built by crew off the MARINDUQUE
Philippine Islands 1924
5299 thumbnail picture
Building crew after finishing the tower. Party off the MARINDUQUE
Philippine Islands 1924

PAGES - 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | 48 | 49 | 50 | 51 | 52 | 53 | 54 | 55 | 56 | 57 | 58 | 59 | 60 | 61 | 62 | 63 | 64 | 65 | 66 | 67 | 68 | 69 | 70 | 71 | 72 | 73 | 74 | 75 | 76 | 77 | 78 | 79 | 80 | 81 | 82 | 83 | 84 | 85 | 86 | 87 | 88 | 89 | 90 | 91 | 92 | 93 | 94 | 95 | 96 | 97 | 98 | 99 | 100 | 101 | 102 | 103 | 104 | 105 | 106 | 107 | 108 | 109 | 110 | 111 | 112 | 113 | 114 | 115 | 116 | 117 | 118 | 119 | 120 | 121 | 122 | 123 | 124 |


Publication of the U.S. Department of Commerce, National Oceanic & Atmospheric Adminstration (NOAA),
NOAA Central Library
NOAA Privacy Policy | NOAA Disclaimer
Last Updated:
May 12, 2014