Ecological sections of the contiguous United States, 2007

Name: Ecological sections of the contiguous United States, 2007
Creator: US Forest Service
License: https://uscode.house.gov/view.xhtml?req=granuleid:USC-prelim-title17-section105&num=0&edition=prelim

Explore 191 source records for Ecological sections of the contiguous United States, 2007. View the map or download the GeoJSON snapshot.

US Forest Service Prepared by Draw on a Map on 2026-10-09. All source fields retained. See the dataset notes for geometry repairs and reduced detail.

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About this dataset

Snapshot prepared on 2026-10-09. This is not a live service. The source update date can be earlier.
All 191 records in the reviewed snapshot are retained, with all source fields and record IDs. This layer is not a complete inventory of all places in the region.
Source coordinates use WGS84. Altitude and measure values are omitted.
3 invalid source geometries were repaired with Shapely linework make_valid. Polygon holes and collapsed lines or points are retained. Repair can change filled areas where source rings cross or overlap.
The source service reduced boundary detail with a 1e-05 degree tolerance. Individual retry settings are recorded in the preparation evidence.
Geometry was simplified locally with a 0.0005 degree tolerance and topology preservation. Records that could not be simplified to valid geometry retain their repaired geometry.
This map is for overview use. Do not use it for precise boundary measurement.
Original source metadata and reuse evidence: https://drawonamap.com/library/sources/government-2026-10/ecological-sections-of-the-contiguous-united-states-2007-b5bc1b0b.json
The dataset has 2 download files. Open map loads all parts together. Keep all parts for a complete copy.

Source and licence

US Forest Service

Licence: Public domain (US government work)

GeoJSON download details

The downloads include all 191 features as area groups, areas. Coordinates use longitude and latitude in WGS84.

The preparation date is when we prepared this dataset. Read the source notes for the dates covered by the data.

GeoJSON fields 16

map_type: MAP_TYPE. Source field from US Forest Service.
map_level: MAP_LEVEL. Source field from US Forest Service.
project: PROJECT. Source field from US Forest Service.
map_unit_symbol: MAP_UNIT_SYMBOL. Source field from US Forest Service.
map_unit_name: MAP_UNIT_NAME. Source field from US Forest Service.
map_unit_description: MAP_UNIT_DESCRIPTION. Source field from US Forest Service.
section_: SECTION_. Source field from US Forest Service.
section_id: SECTION_ID. Source field from US Forest Service.
objectid: OBJECTID. Source field from US Forest Service.
edw.s_usa.Ecosys_EcomapSections_2007.area: S_EDW_STAGE.Ecosys_EcomapSections_2007.AREA. Source field from US Forest Service.
perimeter: PERIMETER. Source field from US Forest Service.
acres: ACRES. Source field from US Forest Service.
gis_acres: GIS_ACRES. Source field from US Forest Service.
gis_miles: GIS_MILES. Source field from US Forest Service.
st_area(shape): st_area(shape). Source field from US Forest Service.
st_perimeter(shape): st_perimeter(shape). Source field from US Forest Service.