viii, 311 pages, 4 pages, 5 unnumbered leaves of plate (3 folded) : illustrations, maps (some color) ; 26 cm
OCLC
ocm00765988
"Original versions of the papers published in this volume were presented at a joint meeting of the Geological Society of London and the Yorkshire Geological Society held in the Dept. of Geology, University of Durham on 12-13 January 1968."--T.p. verso.