The following county-wide feature data layers are available for Johnston County. The data are in shapefile format, State Plane 1927/feet. Current data are downloadable directly from Johnston County. Parcel maps, resampled digital orthophotos and contour maps are downloadable by tax map grid unit (downloadable as a layer).
| Shapefile | Description | File Size | Brief Metadata |
|---|---|---|---|
| m[grid#] | Parcel Maps | varies | n/a |
| c[grid#] | Contour Maps | varies | n/a |
| taxindex | Tax Map Grid | 0.05 mb | n/a |
| citylimi | City Limits | 0.42 mb | n/a |
| jcetj | Planning Boundaries | 0.06 mb | n/a |
| centerli | Centerlines (Streets) | 2.47 mb | n/a |
| jcfire | Fire Districts | 1.28 mb | n/a |
| jrescue | Rescue Squad Districts | 0.98 mb | n/a |
| tship | Townships | 1.72 | n/a |
| city | City Boundaries | 0.09 mb | n/a |
| mrds | Major Roads | 0.13 mb | n/a |
| names.dxf | Roadname Text | 0.47 mb | n/a |
As of 2000, digital orthophoto flights had been conducted in spring 1995. The original data (black & white) is in TIFF format data is not yet available via the Libraries. The orthophotos are tiled to correspond to the tax map grid layout. The scale of each ortho image is1:4800, 5000x5000 pixel resolution. Resampled versions (resampled to 1 mb in file size from 25 mb Format) are downloadable as TIFFs by tax map grid cell(broken link).
Additional flights were done in early 2001. black & white photography was done at 200' scale and color photography at 400' scale. Color imagery may be available as early as Sept. 2001.
Contact a Data Services Librarian for help.