Dataset describes Harris Co. boundary line. This county boundary aligns with other HCAD data, primarily parcels.

Coastline boundary for the 13-county region of H-GAC. The 13 counties are: Austin County, Brazoria County, Chambers County, Colorado County, Fort Bend County, Galveston County, Harris County, Liberty County, Matagorda County, Montgomery County, Walker County, Waller County, and Wharton County.

Political boundary for the 13-county region of H-GAC. The 13 counties are: Austin County, Brazoria County, Chambers County, Colorado County, Fort Bend County, Galveston County, Harris County, Liberty County, Matagorda County, Montgomery County, Walker County, Waller County, and Wharton County.

This layer depicts hurricane evacuation routes and risk areas as designated by the Federal Emergency Management Administration (FEMA).Hurricane evacuation zones categorized for zip codes coded for four separate zones: A, B, C, & Coastal.

The Key Map Grid dataset contains square features representing 0.75-mile by 0.75-mile grids within Montgomery County, Texas. These grids are organized and referenced according to the Key Map Grid Index, with each grid corresponding to a specific location within the county. The grids are assigned unique identifiers combining the index page number and letter, with 24 grids fitting within a single index page. The letters "I" and "O" are excluded to avoid confusion with numbers. The Key Map Grid was created by the Houston Map Company, which covers multiple counties in the Houston metropolitan area including Harris, Fort Bend, Galveston, Brazoria, Liberty, Waller, and Montgomery Counties. More information can be found on the Houston Map Company's website at www.keymaps.com.Data Fields Included:Grid ID: Unique identifier assigned to each grid (combination of index page number and letter)Boundary Polygon: Square representing the 0.75-mile by 0.75-mile grid