Not graded
Bulugh al-Maram 127
وَفِي حَدِيثِ حُذَيْفَةَ عِنْدَ مُسْلِمٍ: { وَجُعِلَتْ تُرْبَتُهَا لَنَا طَهُورًا, إِذَا لَمْ نَجِدِ اَلْمَاءَ } 1 .
1 - صحيح. رواه مسلم (522)، وأوله: "فضلنا على الناس بثلاث: جعلت صفوفنا كصفوف الملائكة، وجعلت..." الحديث.
In another narration by Hudhaifah (RAA):
"And the soil of the earth had been made for us as a means with which to purify ourselves (for prayer), when we cannot find water." Related by Muslim.
Cited in Bulugh al-Maram (No. 127).