Spoil heap near shaft I (Ver
Thermally inactive
Coal heap (contains coal remains)
2.62
ha
85.7
m height
1842 - 1971
Period
Layers
- Heap status
- Inactive
- Reclamation
- Fully reclaimed
- Thermal activity status
- Thermally inactive
Huske (1998). Source on mining and spoil-heap history.
District Government of Cologne. Digital Terrain Model (DGM1m) [online]. https://www.bezreg-koeln.nrw.de/geobasis-nrw/produkte-und-dienste/hoehenmodelle/digitale-gelaendemodelle/digitales-gelaendemodell
Online source. Available at: https://www.deutsche-digitale-bibliothek.de/item/PTN5UT6UA6DB37PK3CNFQXSZ57NZ73S5
Information data quality:
Low – Rough estimates, unverified online sources, oral testimonies, data extrapolated from neighboring sites, incomplete information, unknown sources
Geometric data accuracy:
High – GPS/GNSS field survey (RTK/PPK), drone survey, LiDAR scanning, cadastral survey, total station