The
fire clays of Maryland
Watts, Arthur Simeon
1876-
creator
Schurecht, Harry George
1892-
Swartz, Charles Kephart
1861-
Hall, George Martin
1891-
Mathews, Edward Bennett
1869-
text
mdu
Baltimore
The Johns Hopkins press
1922
monographic
eng
270 p. illus., IV pl., tables, diagrs. 26 cm.
by Arthur S. Watts, H. G. Schurecht, Charles K. Swartz and George M. Hall. With an introductory chapter by Edward B. Mathews.
Also published in Maryland. Geological survey. [Reort] Vol. XI (1922) p. [289]-559.
Fire-clay
Clay
Maryland
TN942 .W27
Maryland. Geological survey, 1896- Special publications. Vol. XI, pt. 2
gs 23000276
Library, U. S. Geological Survey
761220
20260227111327.0
gs 23000276