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TIGER data published through February 2007 (2006 Second Edition) were in a custom text-based format formally known as TIGER/Line files. In 2008, data in shapefile format was published. Please note that shapefiles are not topological, therefore may create slivers when comparing TIGER/Line boundaries.
U.S. Gazetteer, TIGER/Line shapefiles, census data. National Historical Geographic Information System: 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 most notable example of this was the publication of the Esri Shapefile format, [5] which by the late 1990s had become the most popular de facto standard for data sharing by the entire geospatial industry. [6]
Tiger reserves consist of areas under national parks and wildlife sanctuaries. There are 53 tiger reserves in India. [ 1 ] As of January 2023, [update] the protected areas of India cover 173,629.52 square kilometres (67,038.73 sq mi), roughly 5.28% of the total geographical area of the country.
It was declared as a wildlife sanctuary in 1982. It was declared a tiger reserve in 2022. The total area of the reserve is 1,501.89 km 2 (579.88 sq mi), including a core of 481.90 km 2 (186.06 sq mi) and buffer of 1,019.98 km 2 (393.82 sq mi). It connects Ranthambore National Park with Mukundara Hills National Park. [3]
This list of Ramsar sites in the United States are those wetlands that are considered to be of international importance, protected under the Ramsar Convention treaty. The United States as of 2020, has 41 sites designated as "Wetlands of International Importance" with a surface area of 1,884,551 hectares (7,276.29 sq mi; 18,845.51 km 2 ).
In 2013, an area of 1,408.6 km 2 (543.9 sq mi) of the erstwhile sanctuary was notified as a tiger reserve and it was the fourth tiger reserve established in the state as a part of Project Tiger. The reserve is a significant ecosystem and a wildlife corridor in the Nilgiri Biosphere Reserve between the Western Ghats and the Eastern Ghats and a ...
Dudhwa National Park is a national park in the Terai belt of marshy grasslands in northern Uttar Pradesh, India.It stretches over an area of 490.3 km 2 (189.3 sq mi), with a buffer zone of 190 km 2 (73 sq mi).