Skandapurana 5.226.227

5.226.227

iti śrīskāṃde mahāpurāṇa ekāśītisāhasryāṃ saṃhitāyāṃ ṣaṣṭhe nāgara khaṇḍe hāṭakeśvarakṣetramāhātmye śrāddhakalpe bhīṣmayudhiṣṭhirasaṃvāde narakayātanānirasanopāyavarṇanaṃnāma saptaviṃśatyuttaradviśatatamo'dhyāyaḥ .. 227 ..

Thus ends the two hundred twenty-seventh chapter, entitled 'Description of the Means to Avert the Torments of Hell' in the dialogue between Bhīṣma and Yudhiṣṭhira, in the Rules for Śrāddha, in the Māhātmya of the Hāṭakeśvara Sacred Field, in the Nāgarakhaṇḍa, the sixth [part] in the Mahāpurāṇa of eighty-one thousand verses, the glorious Skandapurāṇa.