Skandapurana 14.34.31

14.34.31

tato hṛṣṭamanā bhūtvā gṛhītvā tāṃ caturmukhaḥ ..
punarvarṣasahasrāṃte bhūmipṛṣṭhamupāgataḥ ..
darśayāmāsa tāṃ viṣṇoreṣā liṃgasya mūrdhataḥ .. 31 ..

Then, becoming delighted in mind and taking her, the Four-faced One
arrived back at the surface of the earth at the end of another thousand years.
He showed her to Viṣṇu, [saying,] "From the top of the liṅga