id	keyword
geusb-4938	north
geusb-4938	sea
geusb-4938	society
geusb-4938	denmark
geusb-4938	eds
geusb-4938	geology
geusb-4938	eocene
geusb-4938	stratigraphy
geusb-4938	petroleum
geusb-4938	paleocene
geusb-4938	north sea
geusb-4938	london