Agnibheda–Vaṃśa: Forms of Agni, Their Functions, and Progeny (अग्निभेद-वंशः)
सीतां सरस्वतीं चैव ह्रादिनीं पावनीन्तथा / तासु षोडशधामानं प्रविभज्य पृथक्पृथक्
sītāṃ sarasvatīṃ caiva hrādinīṃ pāvanīntathā / tāsu ṣoḍaśadhāmānaṃ pravibhajya pṛthakpṛthak
And in the rivers Sītā, Sarasvatī, Hrādinī, and Pāvanī as well, he apportioned sixteen sacred abodes (dhāmas), each set apart in its own place.