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
57-438B		Drilling/drill rig	DRILL		1977-10-19T00:00:00	40.63000	143.24670	-1564					23 cores; 206.5 m cored; 0 m drilled; 40.8 % recovery
57-438A		Drilling/drill rig	DRILL		1977-10-19T00:00:00	40.62980	143.23580	-1558					83 cores; 780.5 m cored; 0 m drilled; 68.6 % recovery
57-438_Site		Composite Core	COMPCORE		1977-10-19T00:00:00	40.62967	143.23807	-1558					116 cores; 1077.5 m cored; 19 m drilled; 65.1% recovery
57-438		Drilling/drill rig	DRILL		1977-10-19T00:00:00	40.62920	143.23170	-1552					10 cores; 90.5 m cored; 19 m drilled; 90.7 % recovery
57-439		Drilling/drill rig	DRILL		1977-11-03T00:00:00	40.62680	143.31050	-1656					38 cores; 333.5 m cored; 0 m drilled; 48 % recovery
57-439_Site		Composite Core	COMPCORE		1977-11-03T00:00:00	40.62680	143.31050	-1656					38 cores; 333.5 m cored; 0 m drilled; 48% recovery
57-440B		Drilling/drill rig	DRILL		1977-11-10T00:00:00	39.73550	143.92900	-4509					71 cores; 674.5 m cored; 0 m drilled; 59.6 % recovery
57-440A		Drilling/drill rig	DRILL		1977-11-10T00:00:00	39.73550	143.92900	-4509					6 cores; 57 m cored; 9.5 m drilled; 58.6 % recovery
57-440		Drilling/drill rig	DRILL		1977-11-10T00:00:00	39.73880	143.92900	-4509					8 cores; 73 m cored; 0 m drilled; 68.7 % recovery
57-440_Site		Composite Core	COMPCORE		1977-11-10T00:00:00	39.73660	143.92900	-4509					85 cores; 804.5 m cored; 9.5 m drilled; 60.4% recovery
57-441_Site		Composite Core	COMPCORE		1977-11-21T00:00:00	39.75097	144.07658	-5644.7					20 cores; 191 m cored; 45.5 m drilled; 20.4% recovery
57-441		Drilling/drill rig	DRILL		1977-11-21T00:00:00	39.75080	144.07650	-5655					8 cores; 69.5 m cored; 9.5 m drilled; 24.3 % recovery
57-441A		Drilling/drill rig	DRILL		1977-11-21T00:00:00	39.75080	144.07650	-5644					10 cores; 94 m cored; 36 m drilled; 17.7 % recovery
57-441B		Drilling/drill rig	DRILL		1977-11-21T00:00:00	39.75130	144.07670	-5635					2 cores; 27.5 m cored; 0 m drilled; 20.2 % recovery