SUBSURFACE GEOPHYSICAL MAPPING AND DRILLING OF .
SUBSURFACE GEOPHYSICAL MAPPING AND DRILLING OF ABAISU LIMESTONE DEPOSIT (SHEET 156E), SOUTHEASTERN, NIGERIA. B. S. JATAU 1and Ogah Vincent 1 Department of Geology and Mining, Nasarawa State University, Keffi, Nigeria. 2 Ministry of Mines and Steel Development Lafia office, Nasarawa State, Nigeria.