Ramayana
अगस्त्यभवनं यत्र निर्मितं विश्वकर्मणा । तत्र योजनविस्तारमुच्छ्रितं दशयोजनम् ॥ ४-४१-३६
'That is the hermitage of Agastya built by Vishvakarma. It (The hermitage of Agastya) is one yojana in breadth and ten yojanas in height there. ॥ 4-41-36॥
english translation
agastyabhavanaM yatra nirmitaM vizvakarmaNA । tatra yojanavistAramucchritaM dazayojanam ॥ 4-41-36
hk transliteration by Sanscript