Skandapurana 16.197.3

16.197.3

snātvā nidhānavāpyāṃ ca saṃpūjya prāpnuyāddhanam ..
nidhānaṃ pāṃḍavairlabdhaṃ tatra sthāne purā priye .. 3 ..

Having bathed in the Nidhānavāpī and worshipped [it], one obtains wealth. / A treasure was found by the Pāṇḍavas in that place long ago, O dear one;