copy and paste this google map to your website or blog!
Press copy button and paste into your blog or website.
(Please switch to 'HTML' mode when posting into your blog. Examples: WordPress Example, Blogger Example)
Input Form:Deal with this potential dealer,buyer,seller,supplier,manufacturer,exporter,importer
(Any information to deal,buy, sell, quote for products or service)
NGA Geomatics - Coordinate Systems A graticule, or more specifically a Geographic Reference System, is a means by which to reference locations on the Earth using a system of angles A geographic coordinate defining a location is usually expressed in angular units of latitude and longitude Latitude (φ - phi) is the angle between the equatorial plane and the straight line that
Geography Reference Files - Census. gov Reference files give details about particular geographic areas Reference files variously inform users of legal changes to entities, geographic boundary change notes, FIPS codes for places (and separately for school districts), and characteristics such as land area
USGS Geospatial Data Sources | U. S. Geological Survey Available as thermal or natural color images with optional geographic reference Not recommended for digital analysis Emergency Response Portal*-Geospatial imagery for national and international disasters Science Data Catalog*-Metadata and links to all USGS data Search capabilities are somewhat limited due to the size of certain datasets
Home -- Spatial Reference A wide array of coordinate reference systems, such as WGS 84 or NAD83(2011) geographic systems, thousands of projected systems (like UTM zones), as well as vertical systems like NAVD88 are supported One of the key features of SpatialReference org is its support for EPSG codes
Geographic Reference - National Archives Geographic Reference is the element on which all other elements used to establish a Geographic Reference are dependent To have any other element about a geographic place name, Geographic Reference must be created Geographic Reference is an independent element
World Geographic Reference System - Wikipedia The World Geographic Reference System (GEOREF) is a geocode, a grid-based method of specifying locations on the surface of the Earth GEOREF is essentially based on the geographic system of latitude and longitude, but using a simpler and more flexible notation GEOREF was used primarily in aeronautical charts for air navigation, [1] particularly in military or inter-service applications, but it
8. Coordinate Reference Systems - QGIS Documentation The use of Geographic Coordinate Reference Systems is very common They use degrees of latitude and longitude and sometimes also a height value to describe a location on the earth’s surface The most popular is called WGS 84 Lines of latitude run parallel to the equator and divide the earth into 180 equally spaced sections from North to
Research Guides: Geography: E-books and Reference Sources Representing the definitive reference work for this broad and dynamic field, The International Encyclopedia of Geography arises from an unprecedented collaboration between Wiley and the American Association of Geographers (AAG) to review and define the concepts, research, and techniques in geography and interrelated fields
Georeferencing - Geographic Book Datum: A model of the Earth that serves as a reference point for measuring locations Understanding Coordinate Systems A coordinate system provides a standardized method for specifying locations on the Earth’s surface The most common types of coordinate systems are geographic coordinate systems (GCS) and projected coordinate systems (PCS)
Global Coordinate Reference System | NASA Earthdata Coordinate systems enable geographic datasets to use common locations for integration A coordinate system is a reference system used to represent the locations of geographic features, imagery, and observations, such as Global Positioning System (GPS) locations, within a common geographic framework