257 THE NORTHERN NIGERIA (BAUCHI) TIN MINES, LTD.
258 ROUTE FROM MINNA TO RIGACHIKO BY RAIL, AND FROM RIGACHIKO TO BAUCHI TIN FIELDS BY NEW ROAD
259 PLAN OF NEW ROAD FROM RAILWAY AT RIGACHIKO TO DAN MALIKI EN ROUTE TO THE BAUCHI TIN FIELDS
ADVERTISEMENTS
Gold and Tin Centrifugal Pump Sluicing Plants.