U.S. Bureau of Mines
Publisher: U.S. Govt. Print. Off.
Published: 1976
Place of publication: Washington
Language: eng
Number of pages: 238
Description: <a href="http://uf.catalog.fcla.edu/uf.jsp?st=UF024541245&ix=pm&I=0&V=D&pm=1" rel="nofollow">http://uf.catalog.fcla.edu/uf.jsp?st=UF024541245&ix=pm&I=0&V=D&pm=1</a>