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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.
Online collection of all digital USGS 1:24K scale topographic maps (as well as various other GIS data) covering the United States, available as a free download. NPScape: United States Department of the Interior National Park Service NPScape is a landscape dynamics monitoring project that provides landscape-level data, tools, and evaluations for ...
Logo for the United States Census Bureau's TIGER (Topologically Integrated Geographic Encoding and Referencing) map data format. Source: Extracted from PDF version of U.S. Census Bureau Geographic Product Highlights (direct PDF URL ). Author: U.S. Government: Permission (Reusing this file) Public domain from a copyright standpoint, but it is ...
Currently, the best source for nationwide LiDAR availability from public sources is the United States Interagency Elevation Inventory (USIEI). [1] The USIEI is a collaborative effort of NOAA and the U.S. Geological Survey, with contributions from the Federal Emergency Management Agency, the Natural Resources Conservation Service, the US Army Corps of Engineers, and the National Park Service.
These changes are usually not reflected in the annual TIGER releases. Each ZCTA is constructed by aggregating the Census 2020 blocks whose addresses use a given ZIP code. In assembling census statistical units to create ZCTAs, the Census Bureau took the ZIP code used by the majority of addresses in each census unit at the time the data was ...
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 ).
Simlipal Tiger Reserve spans a vast area of 2,750 km 2 (1,060 sq mi), with its core zone covering 1,194.75 km 2 (461.30 sq mi). Average elevation of the reserve is around 900 m (3,000 ft) and it has notable peaks such as Khairiburu at 1,178 m (3,865 ft) and Meghasani at 1,158 m (3,799 ft); the reserve also features two impressive waterfalls: the towering Barehipani Falls, reaching a height of ...
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]