The building and ornamental stones of North Carolina (1906)
Watson, Thomas L. (Thomas Leonard), 1871-1924, Laney, Francis Baker, 1875-1938, Merrill, George P. (George Perkins), 1854-1929 · Raleigh, [N.C.] : E.M. Uzzell, Public Printer · leaf 328
10 12 FORMS ASSUMED BY 2-INCH CUBES OF SANDSTONE AFTER SUBJECTION TO CRUSHING TEST. CHAPTER VII. DIKES PENETRATING THE SANDSTONES. One of the most striking features of the Triassic areas of the State isthe great number of dikes of igneous rocks which penetrate the sand-stones. These dikes are…
Building stones · Quarries and quarrying
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