Figure 2. A generalized Profile of Gully Face Showing the Three Major Horizons- Top Soil, Red Earth and Unweathered Parent Geological Material

From

The Mechanics of Civil –Works Induced Gully Erosion: Applications to Development of Preventive Measures in South Eastern Nigeria

Godwin I. Nwankwor, Ubong P. Udoka, Boniface C. Egboka, Alex I. Opara

Applied Ecology and Environmental Sciences. 2015, 3(2), 60-65 doi:10.12691/aees-3-2-5