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NHGIS provides free of charge, aggregate census data and GIS-compatible boundary files for the United States between 1790 and 2012. Atlas of Historical County Boundaries Project (AHCBP) The AHCBP documents all boundary changes in states and counties in United States territory, including non-county areas never before compiled or mapped ...
Bhuvan (lit: Earth) is an Indian web-based utility which allows users to explore a set of geographic content prepared by the Indian Space Research Organisation. The content which the utility serves is mostly restricted to within Indian boundaries and is offered in four regional languages.
The GAUL always maintains global geographic layers (in shapefile format) with a unified coding system at the levels of country, first administrative (e.g. regions), and second administrative (e.g. districts). In addition, when data is available, it provides layers on a country-by-country basis down to third, fourth and lower levels.
[2] Although it is a public database, GADM has a higher spatial resolution than other free databases, [3] and also higher than commercial software such as ArcGIS. [4] Those sources are commonly use to complete data analysis with data visualisation such as data plots , choropleth map , etc. [ 5 ] [ 6 ]
Shapefiles : are a data exchange format created by ESRI and one of the most widely used GIS/geodata formats. One "shapefile" usually include four different files : .shp, .shx, .dbf, .prj. First three files must all be present in order to use the data. Each shapefile can hold only one geometry type.
As of 2011 India census, [1] Bhuban had a population of 22,200. Males constitute 52% of the population and females 48%. Bhuban has an average literacy rate of 75%, just higher than the national average of 74%; with male literacy of 80.6% and female literacy of 69%. 10.22% of the population is under 6 years of age.
A village is the lowest government administrative structure at the community level. In an urban area, a cluster (mtaa) can include a number of streets. A ward (kata) is an administrative structure for one single town or portion of a bigger town (Urban Wards). Rural wards are composed of several villages
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