Main project data of dams & reservoirs (1980) Kano State, Nigeria, Water Resources and Engineering Construction Agency; WRECA Water Resources and Engineering Construction Agency; Galkowski, E.; Galkowski, K.
Resistivity survey: progress report No. 1 June 1980 (1980) Kano State, Nigeria, Water Resources and Engineering Construction Agency; WRECA Water Resources and Engineering Construction Agency; Engineering & Consulting Associates (Nigeria) Limited; ECAN; National Engineering Services (Pak.) Ltd; Associated Consulting Engineering (ACE) Ltd