exploration started

URI: https://gptkb.org/prop/exploration_started
6 triples
GPTKB property
Random triples
Subject Object
gptkb:North_Slope_oil_fields late 1950s
gptkb:Burgan_Formation 1946
gptkb:Gippsland_Basin 1960s
gptkb:Santos_Basin 1990s
gptkb:Santos_Cooper_Basin 1950s
gptkb:Kuparuk_River_Formation 1970s