(8) باب مَسْحِ الْحَصَى فِي الصَّلاَةِ
Narrated Mu'aiqib:
The Prophet (ﷺ) talked about a man leveling the earth on prostrating, and said, "If you have to do so, then do it once."
Reference: Sahih al-Bukhari 1207
In-book reference: Book 21, Hadith 11
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 2, Book 22, Hadith 298