depth of shafts

URI: https://gptkb.org/prop/depth_of_shafts
2 triples
GPTKB property
Random triples
Subject Object
gptkb:Neolithic_Flint_Mines_at_Spiennes up to 16 meters
gptkb:Neolithic_Flint_Mines_at_Spiennes_(Mons) up to 16 meters