Anderson, Donna L. <br/><br/>
Laser tracking and tram control of a continuous mining machine / 
by Donna L. Anderson. 
 - [Washington, D.C.] :  U.S. Dept. of the Interior, Bureau of Mines,  [1990] 
 - 13 p. :  ill. 
 - Report of investigations ;  9319 .
 - Report of investigations (United States. Bureau of Mines) ;  9319. .
<br/><br/><label>LCCN: </label>90002094 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mining machinery--Automatic control.<br/>Mine railroads--Automatic control.<br/>Navigation--Data processing.<br/>Optical scanners.