Columbia subject headings:
Harvard subject headings:
Basalt--Germany--Lower Saxony.
Evaporites--Germany--Lower Saxony.
Intrusions (Geology)--Germany--Lower Saxony.
Princeton subject headings:
Basalt--Germany (West)--Lower Saxony.
Evaporites--Germany (West)--Lower Saxony.
Intrusions (Geology)--Germany (West)--Lower Saxony.