Shiva Purana
तत्र तीरं प्रशस्तं हि मृगे मृगबृहस्पतौ । शोणभद्रो दशमुखः पुण्योभीष्टफलप्रदः ११ ।
Its banks are highly sacred in the month of Mārgaśīrṣa or when Bṛhaspati (Jupiter) is in the zodiac ‘Capricornus. The river Śoṇabhadra[2] of ten mouths is holy and yields all cherished desires.
english translation
tatra tIraM prazastaM hi mRge mRgabRhaspatau । zoNabhadro dazamukhaH puNyobhISTaphalapradaH 11 ।
hk transliteration by Sanscript