Kitabın içinden
30 sonuçtan 1-5 arası sonuçlar
Sayfa 1
... Triangulation and Traverse , Precise Leveling , Topographic Surveying , Field Work of , Spirit Leveling , Control ... Triangulation , Triangulation Stations , Index to , Triangulation Stations , Positions and Descriptions of , Primary ...
... Triangulation and Traverse , Precise Leveling , Topographic Surveying , Field Work of , Spirit Leveling , Control ... Triangulation , Triangulation Stations , Index to , Triangulation Stations , Positions and Descriptions of , Primary ...
Sayfa 8
... triangulation and the completion of several partial sheets prior to June 30 , 1901 , was $ 78,883.24 . The total area mapped in this time was the equivalent of about 5,040 square miles , including unfinished areas . Hence , the average ...
... triangulation and the completion of several partial sheets prior to June 30 , 1901 , was $ 78,883.24 . The total area mapped in this time was the equivalent of about 5,040 square miles , including unfinished areas . Hence , the average ...
Sayfa 14
... triangulation and precise leveling . It was also planned to place only three topographic parties in the field , one to map portions of Tioga and Potter counties , where there was much interest manifested by the development of a new oil ...
... triangulation and precise leveling . It was also planned to place only three topographic parties in the field , one to map portions of Tioga and Potter counties , where there was much interest manifested by the development of a new oil ...
Sayfa 15
... triangulation from an exist- ing base near Morgantown , W. V. , northward through Greene , Fay- ette , Westmoreland ... triangulation , which was already well advanced , was to be under- taken only in such amount as would keep it ahead ...
... triangulation from an exist- ing base near Morgantown , W. V. , northward through Greene , Fay- ette , Westmoreland ... triangulation , which was already well advanced , was to be under- taken only in such amount as would keep it ahead ...
Sayfa 19
... TRIANGULATION AND TRAVERSE . During the field season of 1899 there were at work between the months of May and November seven parties , under the charge , re- spectively , of Messrs . S. S. Gannett , topographer ; A. H. Thompson ...
... TRIANGULATION AND TRAVERSE . During the field season of 1899 there were at work between the months of May and November seven parties , under the charge , re- spectively , of Messrs . S. S. Gannett , topographer ; A. H. Thompson ...
Diğer baskılar - Tümünü görüntüle
Sık kullanılan terimler ve kelime öbekleri
Allegheny county aluminum tablet set Armstrong county Back azimuth BEAVER COUNTY bronze tablet marked bronze tablet set Buckhorn Mountain BURG cemented a bronze center of top Chambersburg Clarion county Coast and Geodetic coping stone creek distance Fayette county feet distant feet north feet south field flag station Franklin Geodetic Survey Greene county HARRISBURG HARRISBURG 1899 HARRISBURG 1900 hill Indiana county Kittanning knob land Latitude Longitude marble post marked U. S. Geological mean sea level Meters mile south miles east miles north miles southwest miles west North of station northeast northwest Pennsylvania Railroad PITTSBURG 1899 post 40 post office precise leveling quadrangle Reference marks road crossing sandstone post 36 set 36 inches southeast southwest corner square miles Station mark stone post 36 tablet marked U. S. Theodolite Theodolite elevated timber Tioga county township U. S. Geological Survey-Pennsylvania Uniontown United States Coast United States Geological Washington county Westmoreland county wing wall
Popüler pasajlar
Sayfa 34 - And it is hereby provided that said map shall accurately show the outlines of all townships, counties and extensive wooded areas in this State, as existing on the ground at the time of the execution of these surveys; the location of all roads, railroads, streams, canals, lakes and rivers, and shall show by contour lines the elevation and depression of the surface of the country, also location of coal, oil, natural gas and clay bearing formations.
Sayfa 35 - Commissioners may, on formal notice, terminate this agreement. 9. The resulting maps shall fully recognize the co-operation of the State of Pennsylvania.
Sayfa 79 - Station mark: A stone post 36 by 8 by 8 inches, set 34 inches in the ground, in the center of top of which is cemented a bronze tablet marked "US Geological Survey—Pennsylvania." (Latitude, 40° 49' 53.90". Longitude, 79° 33' 05.12".) To station— Azimuth.
Sayfa 32 - States Geological Survey concerning this survey and map, its scale, method of execution, form, and all details of the work, in behalf of this State, and may accept or reject the work executed by the United States Geological Survey. And...
Sayfa 35 - Survey shall, during the progress of the field work, pay the salaries of the persons employed therein, while the traveling, subsistence, and field expenses shall be paid for the same time by the State. For office work on the map the salaries shall be divided between the two agreeing parties in such a way as to equalize all expenses, provided...
Sayfa 78 - A sandstone post 31 by 7 by 7 inches, set 55 inches in the ground, in the center of top of which is cemented a bronze triangulation tablet marked "US Geological Survey—Pennsylvania.
Sayfa 34 - The preparation -of the maps shall be under the supervision of the Director of the United States Geological Survey...
Sayfa 34 - Survey," approved April 28, 1899. 2. The order in which in point of priority different parts of the State shall be surveyed shall be agreed upon in detail between said Commission and said Director.
Sayfa 73 - North of station 482 feet; a sandstone post about 48 by 12 by 12 inches, set about 36 inches in the ground, in the center of top of which is cemented a bronze meridian tablet.
Sayfa 93 - Station mark: A stone post 40 by 8 by 8 inches, set 36 inches in the ground, in the center of top of which is cemented a bronze triangulation tablet marked " US Geological Survey — Pennsylvania.