Refractory clays of the Maryland coal measures
Series: Maryland. Dept. of Geology, Mines and Water Resources. Bulletin 9; Bulletin (Maryland. Department of Geology, Mines, and Water Resources) -- 9.
Published: 1950
Place of publication: Baltimore
Language: eng
Number of pages: 182
Subjects: Clay; Fire-clay; Geology; Stratigraphic Geology
Notes: Bibliography: p. 163-164.
Table of contents: title: Refractory clays in the coal measures of the Georges Creek, Castleman, and northern upper Potomac Basins of Maryland.; title: Geology and refractory clay deposits of the Castle Basin.