References
Bloxam, E. (2011). Ancient quarries in mind: Pathways to a more accessible significant. World Archaeology , 43:149-150.
Goddard J. (2007). Land Degradation and Rehabilitation. Sydney: University of South Wales Press.
Head, K. H. (2010). Manual of Soil Laboratory Testing: Soil classification and Compaction test 1:198.
Lawal, P. O. (2011). Effects of Sand and Gravel Mining in Minna Emirate Area of Nigeria on Stakeholders. Journal of Sustainable Development, 4: 193-199.
Nuss, P., & Eckelman, M. J. (2014). Life Cycle Assessment of Metals: A Scientific Synthesis. PLOS ONE , 9(7): e101298. https://doi.org/10.1371/journal.pone.0101298
Nwachukwu, M. A. & Osoro, E. (2013). Assessment of environmental hazards: Linking borrow pits, gully erosion, and road failure,Journal of Civil Engineering and Construction Technology , 4 (6), 199-210.
Nwachukwu, M. A., Nwachukwu, M. I., Ahiarakwem, C. O. & Nwankwo, G. I. (2017). Abandoned borrow pits; risk factors and reclamation procedure,MOJ Civil Eng. 2 (3), 88‒95.
Ola, S. A. (2013). Essentials of Geotechnical Engineering. University Press PLC. pp 310 -318
Owolabi, T. A & Ola, S. A. (2014). Geotechnical Properties of a Typical Collapsible Soil in Southwestern Nigeria. Electronic Journal of Geotechnical Engineering (EJGE). 19: 1721-1738
Owolabi, T. A. & Aderinola, O. S. (2014). Goetechnical Evaluation of Some Lateritic Soils in Akure South, Southwestern, Nigeria.Electronic Journal of Geotechnical Engineering (EJGE), 19, 6675– 6687
Saviour, N. M. (2012). Environmental impacts of Soil and Sand Mining: A Review. International Journal of Science, Environment and Technology, 125-134.