mineral industry of Maryland in 1969
By: by Curtis D. Edgerton
Series: Maryland. Geological Survey. Information circular 10
Publisher: U.S. Govt. Print. Off.
Published: 1970
Place of publication: [Washington
Language: eng
Subjects: Mineral industries -- Maryland; Mineral industries -- Maryland -- Directories
Genres: Directories
Other titles: Minerals yearbook
Notes: Cover title

Reprinted from Minerals yearbook, 1970