The upper Mississippi Valley zinc-lead district; In two parts: I General structural relations of the upper Mississippi Valley zinc-lead district. II. The ore deposits of the upper Mississippi Valley zinc-lead district

January 1, 1950

No abstract available.

Publication Year	1950
Title	The upper Mississippi Valley zinc-lead district; In two parts: I General structural relations of the upper Mississippi Valley zinc-lead district. II. The ore deposits of the upper Mississippi Valley zinc-lead district
DOI	10.3133/ofr5013
Authors	Allen V. Heyl
Publication Type	Report
Publication Subtype	USGS Numbered Series
Series Title	Open-File Report
Series Number	50-13
Index ID	ofr5013
Record Source	USGS Publications Warehouse

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