Minerals :   building blocks of the earth. 

 - Fort Collins, CO: :  Scott Resources/ Felta Multi-Media ,  c1992. 
 -  1 videodisc (DVD) (19 min.) : sd., col. ; 4 3/4 in.  Earth science video library 
<br/><br/><br/>English 
<br/><br/><label>ISBN: </label>DVD 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Minerals
<br/><br/><label>LC Class. No.: </label>549 M66 c1992