अधोलोकवर्णनम् (Adholoka-varṇana) — Description of the Lower Worlds and Cosmographic Measures
काष्ठयोरन्तरं ह्येतद्योजनाग्रात्प्रकीर्तितम् / काष्ठयोर्लेखयोश्चैव ह्यन्तरं दक्षिणोत्तरे
kāṣṭhayorantaraṃ hyetadyojanāgrātprakīrtitam / kāṣṭhayorlekhayoścaiva hyantaraṃ dakṣiṇottare
This interval between the two kāṣṭhas is proclaimed by the foremost measure of the yojana; and the interval between the kāṣṭha-lines likewise lies along the south–north direction.