first mapped

URI: https://gptkb.org/prop/first_mapped
4 triples
GPTKB property
Random triples
Subject Object
gptkb:Dronning_Maud_Land_Ice_Stream 1950s
gptkb:Crean_Glacier gptkb:1957
gptkb:Clayr's_Glacier gptkb:20th_century
gptkb:Mid-Atlantic_Ridge 1970s