Shiva Purana

siva.sh/siva-purana/uma-samhita/7/15

क्वचिद्वालुकया व्याप्तमाकंठांतः प्रवेशया ।। क्वचिद्दुष्टाम्बुना व्याप्तं क्वचिच्च करिषाग्निना ।। १५ ।।

sanskrit

Some places are full of fine sand where the persons sink up to the neck; elsewhere it is full of stinking muddy water and some places are covered with burning balls of dry cowdung.

english translation

kvacidvAlukayA vyAptamAkaMThAMtaH pravezayA || kvacidduSTAmbunA vyAptaM kvacicca kariSAgninA || 15 ||

hk transliteration by Sanscript