00819cam a22002291 4500 gs 31000158 DLC 20260227111335.0 900515s1929 pauf 000 0 eng c gs 31000158 (OCoLC)21537997 Library, U.S. Geological Survey TxU DLC premarc QD935 .H62 TN863 .P37 no. 3 Honess, Arthur Pharoah, 1887-1942. The theory of crystal etching and its significance in the classification of crystals, by Arthur P. Honess ... State College, Pa., School of mineral industries, 1929. 1 p. l., 8 p. III pl. on 2 l. 23 cm. Pennsylvania. State College. Mineral Industries Experiment Station. Bulletin 3 Crystallography. 26879 26879