TY  - BOOK
AU  - Jones, Norris W.
AU  - Bloss, F. Donald
ED  - 
ED  - 
ED  - 
ED  - 
SN  - 808710583
SN  - 2
PY  - 1980///];copyright 1980.46
CY  - Minneapolis, Minn.
PB  - Burgess Pub. Co.
KW  - 
KW  - 2
KW  - 0
KW  - 6
KW  - 20
KW  - Laboratory manuals
KW  - Optical mineralogy
N1  - Tear out answer sheets included; Bibliography: p. 19-1 - 19-2; 5
ER  -