2450 | |
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 |
2451 | |
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 |
2452 | |
Early steel gas pipe tower built by the Lake Survey. |
1903 |
2453 | |
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 |
2454 | |
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 |
2455 | |
Using Bilby towers for hydrographic signal on the Florida coast. Built by party off of HYDROGRAPHER |
West coast of Florida 1928 |
2456 | |
Bonita tower in southwest Florida. Traverse party measuring distance in foreground. Party off of HYDROGRAPHER |
West coast of Florida 1928 |
2457 | |
A 90-foot tower wrecked by a storm. Triangulation party of Earl O. Heaton |
Near Chariton, Iowa 1928 |
2458 | |
Tower at Station Schnackenburg. |
|
2459 | |
Building Station Reid. Triangulation party of Paul A. Smith |
Near Shreveport, Louisiana 1930 |
2460 | |
Power source for hoisting steel. Jack up truck and use "fifth wheel". This could be dangerous - at least one leg broken by getting wrapped up. Safety modifications made to system after individual severely injured. Triangulation party of Paul A. Smith |
1931 |
2461 | |
Preparing to dismantle Station Village Mills South Base. Triangulation party of Paul A. Smith |
Hardin County, Texas 1931 |
2462 | |
Climbing the tower at Station Walting. On the Ohio-Indiana boundary. Triangulation party of H. C. Warwick |
Wayne County, Indiana 1932 |
2463 | |
Straightening steel - even the portable towers needed some maintenance. Triangulation party of C. D. Meaney |
East Coast of United States 1932 |
2464 | |
A study in geometry - looking up a Bilby tower. Station South Bend, Louisiana. Triangulation Party of Eugene R. McCarthy |
St. Mary Parish, Louisiana 1933 |
2465 | |
50-foot Bilby tower in Nebraska or Montana. Triangulation party of Wilbur Porter |
Midwestern United States 1934 |
2466 | |
Looking down from the top of a 50-foot tower. Triangulation party of Wilbur Porter |
Midwestern United States 1934 |
2467 | |
Looking up the side of a 50-foot tower. Triangulation party of Wilbur Porter |
Midwestern United States 1934 |
2468 | |
Tower with observing tent to shield the instrument from the wind. Triangulation party of Wilbur Porter |
Midwestern United States 1934 |
2469 | |
Tower at Station Bowie. |
Lafourche Parish, Louisiana 1934 |
2470 | |
Collimating the inner tower at Station Winnie. Collimation involved placing the observing instrument directly over the mark. Triangulation party of Carl I. Aslakson |
Itasca County, Minnesota August 21, 1934 |
2471 | |
Lightkeeper orienting lights for distant observers. Tower at Station Northome. Osborne at lights, Caouette recording, Tryon at tent. Triangulation party of Carl I. Aslakson |
Koochiching County, Minnesota 1934 |
2472 | |
Tower at Station Eufaula. |
Eufaula, Alabama 1943 |
2473 | |
Tower at Station Northome. Caouette on left, Osborn on right, Tryon observing. Triangulation party of Carl I. Aslakson |
Koochiching County, Minnesota 1934 |
2474 | |
Tower at Station Winnie next to firetower. Triangulation party of Carl I. Aslakson |
Itasca County, Minnesota 1934 |
2475 | |
Photos # 5-7 show stages in completing a 50-foot tower at Station Tatum. Photo #8 shows theodolite being transported to top of tower. Triangulation party of Wilbur Porter. Photos # 5-8 of sequence |
Lea County, New Mexico February 11, 1935 |
2476 | |
Station Weingard near Amarillo. Triangulation party of Wilbur Porter |
Near Amarillo, Texas 1935 |
2477 | |
Photos #1-4 show beginning of construction of 50-foot tower at Station Tatum. Triangulation party of Wilbur Porter. Photos 1-4 of sequence |
Lea County, New Mexico 1935 |
2478 | |
Observing party on 103-foot tower in Missouri. Triangulation party of Carl I. Aslakson |
Missouri Ozarks 1935 |
2479 | |
Station Hunter - 159 feet - one of the bigger towers. Photo #2 of sequence. Triangulation party of Kenneth Crosby |
1935 |
2480 | |
A 159-foot tower. Note men on top and man climbing up |
1935? |
2481 | |
Building the tower at Station Hunter. Photo #1 of sequence. Triangulation party of Kenneth Crosby |
1935 |
2482 | |
Tower at Loma Prieta, Santa Cruz Mountains, covered with ice. Triangulation party of Lorne G. Taylor |
Loma Prieta, California 1951 |
2483 | |
Tower built with native timber. |
Alaska 1955? |
2484 | |
Bilby tower built on oil rig south of New Orleans. |
Gulf of Mexico 1955 |
2485 | |
Tower at Station Whitsett destroyed by wind. Triangulation party of E. O. Heaton |
Deaf Smith County, Texas 1921 |
2486 | |
A rough ride down. Drove his head right into the ground. Photo #1 of sequence |
|
2487 | |
Ah, we're O.K. Just kidding! Photo #2 of sequence |
|
2488 | |
A tower with a bad day. Anchor boards pulled out |
|
2489 | |
Another tower with a bad day. Standing at the top (or what was the top) |
|
2490 | |
A 90-foot tower wrecked by a storm. Triangulation party of E. O. Heaton |
Near Chariton, Iowa Summer, 1928 |
2491 | |
Looking through the twisted steel of a 90-foot tower wrecked by a storm. Triangulation party of E. O. Heaton |
Near Chariton, Iowa Summer, 1928 |
2492 | |
Tower blown down during September 1933 hurricane. Triangulation party of Roland D. Horne |
Pamlico Sound, North Carolina September, 1933 |
2493 | |
Station Post on a good day. Triangulation party of Kenneth G. Crosby. Triangulation party of Kenneth G. Crosby |
Hyde county, North Carolina 1935 |
2494 | |
Station Post emulating the "Leaning Tower of Pisa". Leg settled badly in vicinity of ditch. Tower was rebuilt with one leg placed in center of road |
Hyde County, North Carolina 1935 |
2495 | |
Bilby tower failure at Station Flatlick due to tornado. Triangulation party of E. L. Jones |
Christian County, Kentucky 1953 |
2496 | |
Bilby tower failure at Station Flatlick due to tornado. Triangulation party of E. L. Jones |
Christian County, Kentucky 1953 |
2497 | |
Ferdinand Hassler's camp at the west end of the Great Fire Island Base Line. |
Fire Island, New York 1834 |
2498 | |
George Davidson camp near the San Lorenzo River. |
Santa Cruz County, California 1884 |
2499 | |
Breaking camp on Uncompahgre Peak - over 14,000 feet elevation. During the 39th Parallel Survey. Triangulation party of William Eimbeck |
Uncompahgre Peak, Hinsdale County, Colorado 1895 |