Results: 1 - 3 of 3
Dec 21, 2010
Open File Report
… either confirmed or removed. A structural contour map of the top … has been mapped. A bowl-shaped structural anomaly with a central …
Dec 31, 1981
Economic Geology Report
… are useful for the production of structural clay products or pottery … use for the production of structural clay products or pottery …
Feb 28, 1975
Economic Geology Report
… variety suitable for low-value structural ware at best. …