Description
Published:Began with 1981 prelim.
Item Description:Description based on: 1988, annual prelim.; title from caption.
Physical Description:volumes ; 27 cm.
Issued also to depository libraries in microfiche.
Publication Frequency:Annual
Issuing Body Note:Vols. for <1985>-198 prepared in the Division of Industrial Minerals; <1988>-19 in the Branch of Industrial Minerals; <1991-> in the Branch of Industrial Minerals and the Branch of Data Collection and Coordination.