Geology of parts of the upper Mississippi Valley zinc-lead district.
Material type:
TextSeries: Geological Survey bulletin ; 1123.Publication details: Washington, U.S. Govt. Print. Off. [1960-1966]Description: 571 p. illus., maps (part col.) 24 cmSubject(s): LOC classification: - QE75 .B9 no. 1123
Part of illustrative matter folded in pocket.
Issued as separate chapters A-I.
Includes bibliographies.
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