Mahabharata 3.80.118

ततो विनशनं गच्छेन्नियतो नियताशनःगच्छत्यन्तर्हिता यत्र मरुपृष्ठे सरस्वतीचमसे च शिवोद्भेदे नागोद्भेदे च दृश्यते

tato vinaśanaṃ gacchenniyato niyatāśanaḥgacchatyantarhitā yatra marupṛṣṭhe sarasvatīcamase ca śivodbhede nāgodbhede ca dṛśyate

Our plain-language meaning of this verse is waiting for scholar review.