NGS Historical Geodetic Control Diagrams NameLast modifiedSize Parent Directory - Geodetic Control Diagrams/2018-02-22 20:37 - Hydrographic Surveys Index/2016-05-10 20:29 - State Index Maps/2016-05-10 20:20 - State Specific Index Map Control Leveling/2016-05-10 20:21 - Status of Horizontal Control/2016-05-10 20:21 - Triangulation Diagram/2016-05-10 20:22 - Triangulation Maps and Geodetic Control Diagrams/2016-05-10 20:24 - 1966 & 1967.pdf2016-05-10 20:19 434K 1_1_1967.pdf2016-05-10 20:19 408K Aids to Air Navigation and Landmarks for Charts (Chicago).pdf2016-05-10 20:19 480K Airport Obstruction Chart Any Airport, Anywhere, USA.pdf2016-05-10 20:19 8.8M Alaska Triangulation Net.pdf2016-05-10 20:19 3.6M An Application of Horizontal Geodetic Control (Triangulation and Traverse) to City Planning and Engineering.pdf2016-05-10 20:19 129K An Example of Geodetic Control for Highway Location and Engineering.pdf2016-05-10 20:19 74K An Example of Horizontal Geodetic Control for Bridge Engineering and Planning.pdf2016-05-10 20:19 159K Area Triangulation in West Virginia.pdf2016-05-10 20:19 120K Crustal Movements are Measured by Geodetic Triangulation.pdf2016-05-10 20:19 702K District of Columbia.pdf2016-05-10 20:19 4.6M Example of Geodetic Control Surveys for Interstate Highways.pdf2016-05-10 20:19 630K Example of Modified Second Order Triangulation (Southwest Mississippi).pdf2016-05-10 20:19 418K Example of State Boundary Control.pdf2016-05-10 20:19 579K High-Precision Transcontintental Traverse Surveys.pdf2016-05-10 20:19 727K Horizontal & Vertical Control Diagram 341131 001.pdf2016-05-10 20:19 2.1M Horizontal & Vertical Diagram 341134 001.pdf2016-05-10 20:19 1.9M Index of Geodetic Control Diagrams.pdf2016-05-10 20:19 606K Index of State Plane Zone Codes.pdf2016-05-10 20:19 14M Karo Map.pdf2016-05-10 20:19 2.4M Map- VA-WVA Triangulation Stations.pdf2016-05-10 20:19 33K San Francisco Bay, California.pdf2016-05-10 20:19 372K Status of Horizontal Control United States.pdf2016-05-10 20:20 15M Status of Vertical Control United States Ocotber 1, 1981.pdf2016-05-10 20:20 18M Status of Vertical Control (January 1960).pdf2016-05-10 20:20 617K Status of Vertical Control (July 1974).pdf2016-05-10 20:20 421K Status of Vertical Control 1959-1972.pdf2016-05-10 20:20 6.1M Subsidence in the Vicinity of Houston.pdf2016-05-10 20:20 7.9M Survey Maps.pdf2016-05-10 20:20 335K Transcontinental Traverses & Satellite Triangulation Stations (12_31_1970).pdf2016-05-10 20:20 2.4M Vicinity of San Jose, California Subsidence from 1948 to 1954.pdf2016-05-10 20:20 344K