geospatial-data

City of Vernonia Geospatial Data

GitHub tag (latest SemVer)

Relatively small and static (or very rarely updated) geospatial datasets and related data products for use in web applications to support of City business.

Use

Along with each GeoJSON file is a same named JSON file containing the ArcGIS Maps SDK for JavaScript properties to initialize a GeoJSONLayer with the proper symbology, popup, labels, etc.

const url = 'https://cityofvernonia.github.io/geospatial-data/floodplain-management/flood-zones.json';

const geoJSONLayer = new GeoJSONLayer(await (await fetch(url, { cache: 'reload' })).json());

map.add(geoJSONLayer);

Data

City Annexations

Annexations and de-annexations to the municipal boundary of Vernonia.

Elevation Certificates

FEMA Elevation Certificates of record within the Vernonia special flood hazard area.

Letter of Map Amendments

FEMA Letter of Map Amendments (LOMAs) within Vernonia City Limits.

Record Surveys

Columbia County record surveys within the Vernonia spatial extent.

Tax Map Boundaries

Columbia County tax map boundaries within and adjacent to Vernonia City Limits.

Tax Maps

Columbia County tax maps within and adjacent to Vernonia City Limits.

Data Changes

See Change Log.


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Made with :heart: and :coffee: in Vernonia, Oregon