Event label	Optional label	Method/Device	Abbreviation	O2A Registry URI	Date/Time	Latitude	Longitude	Elevation	Date/Time end	Latitude end	Longitude end	Elevation end	Comment
B18_2012	ngt14C93.2-cont	Firn corer	FIRNC			76.61845	-36.41466	2522					ngt14C93.2 continuation, year 2012
B21_2012	ngt27C94.2-cont	Firn corer	FIRNC			80.00082	-41.14428	2151					ngt27C94.2 continuation, year 2012
B23_2012	ngt33C94.2-cont	Firn corer	FIRNC			77.99734	-43.99944	2554					ngt33C94.2 continuation, year 2012
NGRIP_2012		Firn corer	FIRNC			75.01667	-42.53333	2917					NGRIP continuation, year 2012