IODP SEDIS - Thesaurus -

Siljan
BT	Europe
	.Western Europe
	..Scandinavia
	...Sweden
	....Siljan
RT	Siljan Ring
SN	Lake in central Sweden. Also used for possible meteor crater before 1993.

Siljan Ring
BT	Europe
	.Western Europe
	..Scandinavia
	...Sweden
	....Siljan Ring
RT	impact features
	Gravberg Well
	Siljan
SN	Impact crater containing the lake, Siljan in central Sweden. Site of several deep drilling boreholes. Before 1993, also search Siljan. Added to Thesaurus in 1993.