RT Journal Article SR Electronic T1 The relation of secular rock disintegration to loess, glacial drift, and rock basins JF American Journal of Science JO Am J Sci FD American Journal of Science SP 133 OP 144 DO 10.2475/ajs.s3-17.98.133 VO s3-17 IS 98 A1 Pumpelly, Raphael YR 1879 UL http://www.ajsonline.org/content/s3-17/98/133.abstract AB