Economic geology and the bulletin of the Society of Economic Geologists. 
From Jan./Feb. 1999- called:  Economic geology, bulletin of the Society of Economic Geologists Vols. for Mar./Apr. 1930-Dec. 1933 lack title page; vols. for 1934-Jan./Feb. 1943 have title page title:  Economic geology  Bulletin of the Society of Economic Geologists 

 - Lancaster, Pa. :  Economic Geology Publ. Co.,  [1930-. 
 - v. :  ill. ;  25 cm. 
 - Eight no. a year 
 - Vol. 25, no. 2 (Mar./Apr. 1930)- 
<br/><br/> In Nov. 2001, the Economic Geology Publishing Company ceased to exist and its operations came under the control of the new Publications Board of the Society of Economic Geologists.  Title from cover. 
<br/><br/>Some issues for 2004- accompanied by folded color maps in pocket. 
<br/><br/> Vols. 21 (1926)-25 (1930). (Includes index to the journal under its earlier title.) 1 v.; v. 31 (1936)-40 (1945). 1 v.; v. 41 (1946)-50 (1955). 1 v.; v. 51 (1956)-60 (1965). 1 v. 
<br/><br/><label>ISSN: </label>0361-0128 
 = Economic geology and the bulletin of the Society of Economic Geologists 
 = Econ. geol. 
<br/><br/><label>CODEN: </label>ECGLAL 
<br/><br/><label>Source: </label>Society of Economic Geologists, Inc., 7811 Shaffer Parkway, Littleton, CO 80127 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology, Economic--Periodicals.
<br/><br/><label>LC Class. No.: </label>QE1  / .E15