monitoredSince

URI: https://gptkb.org/prop/monitoredSince
4 triples
GPTKB property
Random triples
Subject Object
gptkb:Gulkana_Glacier 1966
gptkb:Katla 20th century
gptkb:Åknes_rockslide 2004
gptkb:Katla_volcano_system 20th century