The geology of the upper Mississippi Valley zinc-lead district /

Bibliographic Details
Main Author:	Heyl, Allen V. (Allen Van), 1918-2008
Format:	Government Document Book
Language:	English
Published:	Washington : U.S. Govt. Print. Off, 1959.
Series:	Professional paper (Geological Survey (U.S.)) ; 309.
Subjects:	Geology > Mississippi River Valley. Zinc mines and mining > Mississippi River Valley. Etats-Unis. Nord-Est. Géologie.

Evans: US Documents (Annex 5th floor)