Carroll, D.M. <br/><br/>
The soils of the Biu-Mubi area North-Eastern state, Nigeria :    a r eport on the reconnaissance soil survey of the 1:250,000 sheet 37 (Biu) and 38 (Mubi) and the 1:100,000 sheets 133 and 154 (Biu plateau) /  
by D.M. Carroll and W.A. Hope. 
 - Zaria, Nigeria :    Ahmadu Bello University ,    1974. 
 - 57 p. :    ill. ;    29 cm. 
 - Soil survey buletin ;    43 .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Soils -- Agricultural chemical content
<br/><br/><label>Dewey Class. No.: </label>631.4 CAR