dig up

verb

To excavate something.
“The work involved a complete rewiring of the system, while the addition of four higher-capacity Mechan jacks and the increased length of the new train meant the entire floor (the length of four train carriages) had to be dug up, levelled and strengthened to meet tolerance requirements.”
To discover something by digging; to unearth.
“dig up information”
“dig up proof”
To find a supply of (something); to pay up.
“You'll have to dig up eight grand to pay for this.”