Portec, Incorporated
name: label: Series Creator
content: Warshaw, Isadore, 1900-1969
setName: label: See more items in
content: Warshaw Collection of Business Americana Subject Categories: Mining
label: See more items in
content: Warshaw Collection of Business Americana Subject Categories: Mining / Business Records, Marketing Material, and Other / 1: Mining Companies
unitdate: label: Date
content: 1979
container: label: Container
content: Box 1, Folder 62
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials
scopecontent: label: Scope and Contents
content: Oak Brook, Illinois