Matsyapurana 93.24

93.24

mṛdamānīya viprendra sarvauṣadhijalānvitām
snānārthaṃ vinyasettatra yajamānasya dharmavit //

The earth of the elephant ward, stable, chariot-house, ant-hill, tank, cattle-shed should be mixed with water, along with the different herbs and Ganges water, and the devotee should bathe in it, after reciting the following mantras: ‘All the rivers, seas, tanks and rivulets, come to wipe out the sins of the devotee.’—23-25.