Delaware clay resources
By: by Thomas E. Pickett.
Contributors: United States. Bureau of Mines.
Series: Delaware. Geological Survey. Report of investigations; no. 14; Report of investigations (Delaware Geological Survey) ;; no. 14.
Published: 1970
Place of publication: [Newark, Del.]
Language: eng
Number of pages: 70
Subjects: Clay -- Delaware.
Notes: Bibliography: p. 70.
Prepared in cooperation with the U.S. Bureau of Mines.