Srimad-Bhagavatam: Canto 8 - Chapter 1 - Verse 33
Sanskrit:
ततस्ते मन्दरगिरिमोजसोत्पाट्य दुर्मदा: ।नदन्त उदधिं निन्यु: शक्ता: परिघबाहव: ॥ ३३ ॥
ITRANS:
tatas te mandara-girimojasotpāṭya durmadāḥnadanta udadhiṁ ninyuḥśaktāḥ parigha-bāhavaḥ
Translation:
Thereafter, with great strength, the demons and demigods, who were all very powerful and who had long, stout arms, uprooted Mandara Mountain. Crying very loudly, they brought it toward the Ocean of Milk.