Sammarco, John J. <br/><br/>
Field evaluation of the modular azimuth and positioning system (MAPS) for a continuous mining machine / 
by John J. Sammarco. 
 - Washington, D.C. :  U.S. Dept. of the Interior, Bureau of Mines,  1993. 
 - 14 p. :  ill. ;  28 cm. 
 - Information circular ;  9354 .
 - Information circular (United States. Bureau of Mines) ;  9354. .
<br/><br/>Includes bibliographical references (p. 11). 
<br/><br/><label>LCCN: </label>92044572  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Coal-mining machinery--Automatic control--Testing.<br/>Navigation--Data processing--Testing.
<br/><br/><label>LC Class. No.: </label>TN295  TN813  / .U4 no. 9354 
<br/><br/><label>Dewey Class. No.: </label>622 s  622/.334