00870cam a22002651 4500 gs 33000356 DLC 20260227111337.0 770801s1933 xx 000 0 eng c gs 33000356 (OCoLC)3153281 Library, U. S. Geological Survey OC DLC premarc QE471 .B69 Boswell, Percy George Hamnall, 1886- On the mineralogy of sedimentary rocks; a series of essays and a bibliography. By P. G. H. Boswell. London, T. Murby & co., 1933. ix, 393 p. 22 cm. "List of general works": p. 126-127. "Bibliography and abstracts": p. 131-363. Sedimentary rocks. Mineralogy. Sedimentary rocks Bibliography. Mineralogy Bibliography. 27039 27039