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

5650 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
5651 thumbnail picture
Raising one side of instrument tripod at Station Hugo. Triangulation party of William H. Burger
The Devils Backbone, Hays County, Texas 1903
5652 thumbnail picture
Raising third leg of instrument tripod at Station Hugo. Triangulation party of William H. Burger
The Devils Backbone, Hays County, Texas 1903
5653 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
5654 thumbnail picture
Completed instrument tripod at Station Foss. Photo #1 of sequence
Minnesota, Wilkin County 1904
5655 thumbnail picture
First side of observer scaffolding being raised at Station Foss. Photo #2 of sequence
Minnesota, Wilkin County 1904
5656 thumbnail picture
Both sides of observer scaffolding in place at Station Foss. Photo #3 of sequence
Minnesota, Wilkin County 1904
5657 thumbnail picture
Putting ties on scaffolding at Station Foss. Photo #4 of sequence
Minnesota, Wilkin County 1904
5658 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
5659 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
5660 thumbnail picture
Station Gibuson - a 68 foot tree signal. Party of John F. Pratt - off of PATHFINDER
Philippines 1910
5661 thumbnail picture
White River West Base on the 141st Meridian Survey. International Boundary Commission surveyors
Alaska-Canada Boundary 141st Meridian 1911
5662 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
5663 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
5664 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
5665 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
5666 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
5667 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
5668 thumbnail picture
100-foot tower at Bozeman NW Base. Note man at top. Triangulation party of William M. Scaife
Montana, Bozeman 1922
5669 thumbnail picture
115-foot tower built around tree on Sarangani Island.
Philippine Islands 1923
5670 thumbnail picture
Tower at Station Mangal. Topographic party working on the beach
Philippine Islands 1924
5671 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
5672 thumbnail picture
Station Mangal from offshore. Built by crew off the MARINDUQUE
Philippine Islands 1924
5673 thumbnail picture
Building crew after finishing the tower. Party off the MARINDUQUE
Philippine Islands 1924
5674 thumbnail picture
Building a tower. Party off the MARINDUQUE
Philippine Islands 1924
5675 thumbnail picture
The finished tower - note guard in lower left of tower. Party off the MARINDUQUE
Philippine Islands 1924
5676 thumbnail picture
A finished large tripod signal - note the guards. Party off the MARINDUQUE
Philippine Islands 1924
5677 thumbnail picture
115-foot tower built around tree on Sarangani Island.
Philippine Islands 1923
5678 thumbnail picture
Another view of tower built around a tree on Sarangani Island
Philippine Islands 1923
5679 thumbnail picture
Small tower on a coral islet
Philippine Islands 1926?
5680 thumbnail picture
Tower with signal
Philippine Islands 1926?
5681 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
5682 thumbnail picture
Using a day marker as a tower. Photo#1 of sequence
Florida, Lake Okeechobee 1924
5683 thumbnail picture
Observing angles from the top of the day marker. Photo#2 of sequence
Florida, Lake Okeechobee 1924
5684 thumbnail picture
Tower built around tree in the Philippine jungle.
Philippine Islands
5685 thumbnail picture
Triangulation station built in shoal water. Combined operations party of Hubert A. Paton
Near Jacksonville, Florida 1934
5686 thumbnail picture
Tower built around a tree trunk.
Near Logan, West Virginia 1934?
5687 thumbnail picture
Station Plainview in eastern Montana. Triangulation party of Wilbur Porter
Montana, Eastern June 28, 1934
5688 thumbnail picture
Station Cook - tower had to be built after error by reconnaissance man. Triangulation party of Wilbur Porter
Powder River County, Montana 1934
5689 thumbnail picture
Hecht was the observer at this station in North Dakota. Small wooden observing stand. Triangulation party of Wilbur Porter
Near Mandan, North Dakota 1934
5690 thumbnail picture
103-foot light stand at Station Red Cloud.
Webster County, Nebraska 1934
5691 thumbnail picture
Climbing a small tower at Station Pinnacle. Providing horizontal control survey for aerial photography of King County
Washington, King County 1937
5692 thumbnail picture
Pole tower built from native timber at Takhini West Base. Note signal flag on tree. Triangulation party of F. B. Quinn
Alaska 1943
5693 thumbnail picture
Tower at Station Indian covered with ice and frost. Station is just below the Arctic Circle. Triangulation party of Walter R. Helm
Near Hughes, Alaska 1954
5694 thumbnail picture
Small wooden stand on ridge in Mojave Desert. Station built during observations on Transcontinental Traverse work. Triangulation party of Woodrow Johnson
West of Parker, Arizona 1972
5695 thumbnail picture
Early steel gas pipe tower built by the Lake Survey.
1903
5696 thumbnail picture
The first picture of a Bilby portable steel tower under construction. Bilby towers were made of prefabricated steel parts that could be reused. These towers were designed by Jasper Bilby, chief signalman of the C&GS
Minnesota 1927
5697 thumbnail picture
The first picture of a completed Bilby tower. Bilby towers were made of prefabricated steel parts that could be reused. These towers were designed by Jasper Bilby, chief signalman of the C&GS
Minnesota 1927
5698 thumbnail picture
Using Bilby towers for hydrographic signal on the Florida coast. Built by party off of HYDROGRAPHER
West coast of Florida 1928
5699 thumbnail picture
Bonita tower in southwest Florida. Traverse party measuring distance in foreground. Party off of HYDROGRAPHER
West coast of Florida 1928

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Last Updated:
June 10, 2016