Source: Tafsir al-Ahlam al-Kabir (Ibn Sirin)
Soil (dust) in a dream indicates people. Collecting soil indicates collecting money. Walking on soil is striving to seek sustenance. Soil on the head indicates a calamity and worry.
Source: Ta'tir al-Anam fi Ta'bir al-Manam (Al-Nabulsi)
Soil indicates the world and its people. Eating soil is poverty and need. Whoever shakes the soil off his hands will become poor.
Source: Al-Isharat fi Ilm al-Ibarat (Ibn Shahin)
Soil is interpreted as wealth and benefit. Whoever sees himself digging the earth and taking out its soil will gain wealth through cunning.