00576cam a22002051a 4500 gs 05001040 DLC 20260227111302.0 910912s1835 enka 000 0 eng gs 05001040 (OCoLC)24361655 DLC MWiW DLC premarc QE45 .D33 De La Beche, Henry T. (Henry Thomas), 1796-1855. How to observe : geology / by H. T. De La Beche. London : Charles Knight, 1835. viii, 312 p. : ill. ; 21 cm. Geology. 24336 24336