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1
Lead-zinc deposits of southwestern St. Lawrence County, N.Y. /
Published 1952Search for the full-text version of this title in HathiTrust
Government Document Book -
2
Operations and safety at the Retsof Rock Salt Mine /
Published 1949Search for the full-text version of this title in HathiTrust
Government Document Book -
3
Diamond drilling blast holes, Balmat Mine, St. Lawrence County, N.Y. /
Published 1947Search for the full-text version of this title in HathiTrust
Government Document Book -
4
Mining practice at the Edwards mine of the St. Joseph Lead Co., St. Lawrence County, N.Y. /
Published 1932Search for the full-text version of this title in HathiTrust
Government Document Book -
5
Truck haulage at an iron mine in the Adirondack Mountains, New York /
Published 1952Search for the full-text version of this title in HathiTrust
Government Document Book