Shaft Franz
Thermally inactive
Coal heap (contains coal remains)
16.83
ha
79.8
m height
unknown - 1994
Period
Layers
- Heap status
- Inactive
- Reclamation
- Fully reclaimed
- Thermal activity status
- Thermally inactive
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.hammwiki.info/images/3/32/Stefan_Gehre_-_Eine_bewegte_Geschichte_-_Schacht_Franz_vor_100_Jahren_geteuft_-_Wahrzeichen_am_19._Dezember_2013_gesprengt_-_Westf%C3%A4lischer_Anzeiger_Hamm_vom_08-04-2023.jpg
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