1. Map of a portion of Point Keweenaw, L.S. : showing the lands &c. of the Pennsylvania & Delaware Published / Created: [1859?] and [between 1880 and 1889?] Call Number: BrSides Folio 2018 138 Image Count: 1 Resource Type: Maps, Atlases & Globes Subject (Geographic): Michigan--Keweenaw County Subject (Name): Delaware Mining Company of Michigan Subject (Topic): Copper mines and mining--Michigan Found in: Beinecke Rare Book and Manuscript Library > Map of a portion of Point Keweenaw, L.S. : showing the lands &c. of the Pennsylvania & Delaware Mining Co's.