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 Description: Blanks not digitized., Dated from internal evidence., and Original covers. Stamp of Heath, McKinney & Co., Boston. Publisher: The Company?, Subject (Geographic): Black Hills (S.D. and Wyo.)--Maps Subject (Name): Black Hills Porcelain Clay and Marble Mining Company Subject (Topic): Marble industry and trade--South Dakota--Custer County and Porcelain industry--South Dakota--Custer County Found in: Beinecke Rare Book and Manuscript Library > Prospectus : the Black Hills Porcelain Clay and Marble Mining Company (incorporated under laws of South Dakota) ...