00863cam a22002411 4500 gs 12000486 DLC 20260227111313.0 790329s1911 paubf s001 0 eng c gs 12000486 (OCoLC)4797800 U.S. Geol. Survey. Library NcRS NcRS DLC premarc GA61.P4 A5 no. 5 Peck, Frederick Buritt, 1860-1925. Preliminary report on the talc and serpentine of Northampton County and the Portland cement materials of the Lehigh District, by Frederick B. Peck. Harrisburg, C. E. Aughinbaugh, 1911. 66 p. plates, maps (1 fold. in pocket) 24 cm. Pennsylvania. Bureau of Topographic and Geologic Survey Report no. 5 Serpentine. Talc. Portland cement. 25160 25160