@misc{indiciae0bc35e5ade12, title = {Ground-water hydrology of the Chad Basin in Bornu and Dikwa Emirates, northeastern Nigeria, with special emphasis on the flow life of the artesian system}, author = {Raymond E. Miller and R.H. Johnston and J.A.I. Olowu and J.U. Uzoma}, year = {1968}, doi = {10.3133/wsp1757i}, url = {https://pubs.usgs.gov/publication/wsp1757I}, note = {Source identifier: wsp1757I} }