Description: The spatial data were obtained from the Texas Natural Resource Information System (TNRIS) and are current as of 2001. The heliport data was extracted from the Bureau of Transportation Statistics airport dataset. The attributes were modified to include name, heliport ID, county, city, and operational information.
Copyright Text: Center for Geospatial Technology, Texas Tech University
Texas Natural Resource Information System
Bureau of Transportation Statistics
Description: Based on the H-GAC Land Use database, this dataset shows the parcel-based centroids of parks for the H-GAC 13-county region. Park centroids area based on the centroid of park boundaries defined in the Park Areas dataset. All parks are based on park location identified and cross referenced with county appraisal data. The park areas are dissolved by park, so that neighboring parcels dissolve into a single polygon.
Description: Point dataset of Texas regular, charter, and alternative schools, excluding disciplinary alternative ed. (DAEP), juvenile justice alternative ed. (JJAEP) institutions, and the Windham school district.
Description: 2013 Major Thoroughfare Plan from the Planning & Development (Transportation Group)Approved by Houston Planning Commission on August 1, 2013.Adopted by Houston City Council on December 11, 2013.Council Motion 2013-0783
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Description: Based on the H-GAC Land Use database, this dataset shows the parcel-based areas of parks for the H-GAC 13-county region. Park boundaries are based on park location identified and cross referenced with county appraisal data. The park areas are dissolved by park, so that neighboring parcels dissolve into a single polygon.
Description: The statewide Texas park boundary dataset is one component of the Texas Strategic Mapping Program (StratMap). The StratMap program developed seven digital base map, or layers for Texas. StratMap is managed by the Texas Natural Resources Information System (TNRIS), a division of the Texas Water Development Board (TWDB). All data produced through StratMap are available in the public domain. The StratMap boundary dataset produced files corresponding to multi-county councils of government across Texas as well as a statewide dataset. Each boundary file has five themes including state, county, city, parks, and other (i.e. federal lands, landmarks, country clubs). The data sources for each council of government coverage vary but could include digital orthophoto quads (DOQs), USGS digital raster graphics (DRGs), Texas Department of Transportation data, and local data from the council of governments or its component governments. The attribute coding scheme is designed to accommodate several basic cartographic data categories such as feature type, feature name, jurisdiction entity, data source used in feature collection, data source date and revision date(s) if applicable.
Copyright Text: 1. Texas Parks and Wildlife - GIS Lab
2. Texas Department of Transportation - TPP Mapping
Description: This data set represents the extent, approximate location and type of wetlands and deepwater habitats in the conterminous United States. The dataset has been reduced to show only the 15-county area surrounding Harris County. These data delineate the areal extent of wetlands and surface waters as defined by Cowardin et al. (1979). Certain wetland habitats are excluded from the National mapping program because of the limitations of aerial imagery as the primary data source used to detect wetlands. These habitats include seagrasses or submerged aquatic vegetation that are found in the intertidal and subtidal zones of estuaries and near shore coastal waters. Some deepwater reef communities (coral or tuberficid worm reefs) have also been excluded from the inventory. These habitats, because of their depth, go undetected by aerial imagery. By policy, the Service also excludes certain types of "farmed wetlands" as may be defined by the Food Security Act or that do not coincide with the Cowardin et al. definition. Contact the Service's Regional Wetland Coordinator for additional information on what types of farmed wetlands are included on wetland maps.
Description: The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Management Agency (FEMA), and any Letters of Map Revision (LOMRs) that have been issued against those databases since their publication date. It is updated on a monthly basis. The FIRM Database is the digital, geospatial version of the flood hazard information shown on the published paper FIRMs. The FIRM Database depicts flood risk information and supporting data used to develop the risk data. The primary risk classifications used are the 1-percent-annual-chance flood event, the 0.2-percent-annual-chance flood event, and areas of minimal flood risk. The FIRM Database is derived from Flood Insurance Studies (FISs), previously published FIRMs, flood hazard analyses performed in support of the FISs and FIRMs, and new mapping data, where available. The FISs and FIRMs are published by FEMA. The NFHL is available as State or US Territory data sets. Each State or Territory data set consists of all FIRM Databases and corresponding LOMRs available on the publication date of the data set. The specification for the horizontal control of FIRM Databases is consistent with those required for mapping at a scale of 1:12,000. This file is georeferenced to the Earth's surface using the Geographic Coordinate System (GCS) and North American Datum of 1983.
Copyright Text: Federal Emergency Management Agency (FEMA)
Description: The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Management Agency (FEMA), and any Letters of Map Revision (LOMRs) that have been issued against those databases since their publication date. It is updated on a monthly basis. The FIRM Database is the digital, geospatial version of the flood hazard information shown on the published paper FIRMs. The FIRM Database depicts flood risk information and supporting data used to develop the risk data. The primary risk classifications used are the 1-percent-annual-chance flood event, the 0.2-percent-annual-chance flood event, and areas of minimal flood risk. The FIRM Database is derived from Flood Insurance Studies (FISs), previously published FIRMs, flood hazard analyses performed in support of the FISs and FIRMs, and new mapping data, where available. The FISs and FIRMs are published by FEMA. The NFHL is available as State or US Territory data sets. Each State or Territory data set consists of all FIRM Databases and corresponding LOMRs available on the publication date of the data set. The specification for the horizontal control of FIRM Databases is consistent with those required for mapping at a scale of 1:12,000. This file is georeferenced to the Earth's surface using the Geographic Coordinate System (GCS) and North American Datum of 1983.
Copyright Text: Federal Emergency Management Agency (FEMA)