Atlas · Cameroon / Dataset
DATASET

Tridom Complete Mining Concessions

Layer "Tridom Complete Mining Concessions" from WWF Kenya Sources.

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CSV GeoJSON
Features
146
tridom_complete_mining_concessions
Observations
220
Linked measurements
Quality score
95 / 100
Completeness · provenance · checks
Version
v1
Imported 2026-10-13

About this dataset

Source
WWF Kenya Sources: GIS Centre of Excellence
WWF Kenya
Source layer
Tridom Complete Mining Concessions (EPSG:102100 (service native); served as EPSG:4326)
Module / ecosystem
MINING, OIL & LICENCES
Licence
To be confirmed with the publisher
Licence not stated by the publisher. Atlas holds an archival copy for scientific and internal use. Do not redistribute in bulk without the publisher's permission. Always cite WWF Kenya and the original data owner named in the layer description.
Coordinate system
Stored as EPSG:4326 (WGS 84). Source native: 102100
Records archived
146 (matches the source's own count)

How to cite

WWF Kenya, KMFRI, KFS (2026). Tridom Complete Mining Concessions. Archived copy held by Atlas Blue Carbon Intelligence (snapshot n/a; SHA-256 c735fc7d7e758f4e…). Accessed via https://atlas.twende.green/datasets/wf-congo-geospatial-project-tridom-conservation-landuse-map-30-tridom-com-958aaa.

Feature classes

ClassFeatures
tridom_complete_mining_concessions146

Measurements recorded

Type · variableUnitnRange
area · Area_Haha1460.13 – 724,606.82
area · sup_adm_haha370.00 – 227,100.00
area · sup_sig_haha377,322.00 – 225,930.00

Unit harmonisation applied to this dataset

Every number in Atlas is stored in one canonical unit; the original value and unit are always kept

Source fieldMeasureSource unitAtlas unitFactorTreatment
Shape_Lengarea/lengthunknown (often degrees)——excluded unit not stated; geodesic area/length computed from geometry instead
sup_adm_haareahaha1kept (unit taken from field name)
sup_sig_haareahaha1kept (unit taken from field name)
Area_Haareahaha1kept (unit taken from field name)
Shape_Lengtharea/lengthunknown (often degrees)——excluded unit not stated; geodesic area/length computed from geometry instead
Shape_Areaarea/lengthunknown (often degrees)——excluded unit not stated; geodesic area/length computed from geometry instead
geometryarea / lengthEPSG:4326 degreesha / m—geodesic area (ha), perimeter (m) and length (km) computed on the WGS 84 ellipsoid with PostGIS

Attributes stored per feature

How many features carry each attribute (first 20,000)

AttributeFeatures
attributes146
area_ha_geodesic146
perimeter_m146

Checked against the geometry

Source value ÷ the same quantity computed from the stored shape

No unit checks apply

Archive & integrity

Snapshot
n/a
Format
GeoJSON (gzip pages, WGS 84 as served)
Archive checksum
c735fc7d7e758f4e4fbb4779edb0f85ae991850b47eddebffd30ec2b7f925618
Atlas serves this dataset from its own archived copy. Nothing is requested from the publisher when you view or download it.

Verification against the raw archive

Record counts match the source
Imported record count equals the source's own count; per-record cross-check recorded in the import run.

Import history

RunStatusStartedRecordsRepaired geometries
#1005completed2026-10-13 06:08:47.669463+001460
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