1 23 Environmental Earth Sciences ISSN 1866-6280 Volume 76 Number 14 Environ Earth Sci (2017) 76:1-12 DOI 10.1007/s12665-017-6844-x Quarrying and its effect on vegetation cover for a sustainable development using high- resolution satellite image and GIS A. O. Akanwa, F. I. Okeke, V. C. Nnodu & E. T. Iortyom