geospatial-data
City Annexations
Annexations and de-annexations to the municipal boundary of Vernonia.
GeoJSON: city-annexations.geojson
GeoJSONLayer JSON: city-annexations.json (preview)
Updated: 2025.04.09
Copyright: Columbia County, Oregon and City of Vernonia, Oregon
Properties/Attributes:
{
"type": "Feature",
"geometry": {},
"properties": {
"boundary_change": "2024-01",
"initial_date": "9/7/2023",
"completed_date": "12/30/1899",
"dor_approved": "Yes",
"dor_id": "5-339-2021",
"dor_date": "9/7/2023",
"image": "2024-01.tif",
"pdf_url": "https://cityofvernonia.github.io/geospatial-data/city-annexations/files/2024-01.pdf"
}
}
Update
Requirements
libtiff available via the command line.
Run
npm run record-surveys
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