Sunan Abi Dawud 489
سنن أبي داود#489SahihNarrated AbuDharr: The earth has been made for me purifying and as a mosque (place for prayer)
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih
Muhammad Muhyi Al-Din Abdul HamidSahih
Zubair Ali ZaiSahih
In-book reference: 2:99