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Properties and/or districts are listed in most of Texas's 254 counties. The tables linked below are intended to provide a complete list of properties and districts listed in each county. The locations of National Register properties and districts with latitude and longitude data may be seen in an online map by clicking on "Map of all coordinates".
The Texas Land Survey System is often measured in Spanish Customary Units. The most important of these is the vara, which, while ambiguous in the past, was legally established to be exactly 33 + 1 ⁄ 3 inches (846.67 mm) long in June 1919. [2] The subdivision levels in Texas are as follows: [3]
Bridgeland is a planned community near Houston, Texas, built by Howard Hughes Holdings. [1] [2] Bridgeland is an 11,500-acre (47 km 2) master-planned community to the northwest of Houston in Harris County, between U.S. Route 290 and Interstate 10.
This is a list of GIS data sources (including some geoportals) that provide information sets that can be used in geographic information systems (GIS) and spatial databases for purposes of geospatial analysis and cartographic mapping. This list categorizes the sources of interest.
The origin of the geodatabase was in the mid-1990s during the emergence of the first spatial databases.One early approach to integrating relational databases and GIS was the use of server middleware, a third-party program that stores the spatial data in database tables in a custom format, and translates it dynamically into a logical model that can be understood by the client software.
The following are lists in a series of Recorded Texas Historic Landmarks (RTHLs) arranged by county as designated by the Texas Historical Commission and local county historical commissions in Texas. Purchase and display of a historical marker is a required component of the RTHL designation process.
Today's U.S. Topo quadrangle (1:24,000) maps are mass-produced, using automated and semiautomated processes, with cartographic content supplied from the National GIS Database. [34] In the two years from June 2009 to May 2011, the USGS produced nearly 40,000 maps, more than 80 maps per work day. [34]
An object-based spatial database is a spatial database that stores the location as objects. The object-based spatial model treats the world as surface littered with recognizable objects (e.g. cities, rivers), which exist independent of their locations. Objects can be simple as polygons and lines, or be more complex to represent cities.