1. Prospectus : the Black Hills Porcelain Clay and Marble Mining Company (incorporated under laws of Creator: Black Hills Porcelain Clay and Marble Mining Company Published / Created: 1900?] Call Number: Zc35 +900bL Image Count: 25 Found in: Beinecke Rare Book and Manuscript Library > Prospectus : the Black Hills Porcelain Clay and Marble Mining Company (incorporated under laws of South Dakota) ...