Skandapurana 5.170.171

5.170.171

iti śrīskāṃde mahāpurāṇa ekāśītisāhasryāṃ saṃhitāyāṃ ṣaṣṭhe nāgarakhaṇḍe hāṭakeśvarakṣetramāhātmye vasiṣṭhaviśvāmitra yuddhe divyāstranivartanavarṇanaṃnāmaikasaptatyuttaraśatatamo'dhyāyaḥ .. 171 ..

Thus ends the one hundred seventy-first chapter, entitled “Description of the Cessation of Divine Weapons in the Battle between Vasiṣṭha and Viśvāmitra,” in the Māhātmya of the Sacred Field of Hāṭakeśvara, in the Nāgarakhaṇḍa, the sixth [section], in the Skanda Mahāpurāṇa consisting of eighty-one thousand verses.