It is reported from Sayyiduna Abdullah bin Abbas (may Allah be pleased with them both) that the Messenger of Allah (peace and blessings be upon him) gave Sayyiduna Bilal bin al-Harith (may Allah be pleased with him) the mines of al-Qabaliyyah, both its highland and its lowland parts, and wherever cultivation was suitable.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب إحياء الموات / 11842