Srimad-Bhagavatam: Canto 8 - Chapter 1 - Verse 9
Sanskrit:
तमुत्थितं वीक्ष्य कुलाचलं पुन:समुद्यता निर्मथितुं सुरासुरा: ।दधार पृष्ठेन स लक्षयोजन-प्रस्तारिणा द्वीप इवापरो महान् ॥ ९ ॥
ITRANS:
tam utthitaṁ vīkṣya kulācalaṁ punaḥsamudyatā nirmathituṁ surāsurāḥdadhāra pṛṣṭhena sa lakṣa-yojana-prastāriṇā dvīpa ivāparo mahān
Translation:
When the demigods and demons saw that Mandara Mountain had been lifted, they were enlivened and encouraged to begin churning again. The mountain rested on the back of the great tortoise, which extended for eight hundred thousand miles like a large island.