Mahabharata 6.7.41
तस्य पार्श्वे महद्दिव्यं शुभं काञ्चनवालुकम्रम्यं बिन्दुसरो नाम यत्र राजा भगीरथःदृष्ट्वा भागीरथीं गङ्गामुवास बहुलाः समाः
tasya pārśve mahaddivyaṃ śubhaṃ kāñcanavālukamramyaṃ bindusaro nāma yatra rājā bhagīrathaḥdṛṣṭvā bhāgīrathīṃ gaṅgāmuvāsa bahulāḥ samāḥ
Our plain-language meaning of this verse is waiting for scholar review.