Grime, Alexander R. <br/><br/>
The earth grid :    finding latitude and longitude /  
Alexander R. Grime 
 - Scarborough :    Bellhaven House,    1970. 
 - 56 p. :    ill. ;    22 cm. 
<br/><br/><label>ISBN: </label>0887740561 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Grids (Cartography).
<br/><br/><label>Dewey Class. No.: </label>527.3