TY - BOOK AU - Smith,D.B. AU - Moore,P.J. ED - Her Majesty΄s Stationery Office TI - Deposits of gypsum at Hurworth Place, Darlington T2 - Institute of Geological Sciences : Natural Environment Research Council. 73/16 SN - 0118806599 U1 - 553.63575766 PY - 1973///. CY - London: PB - Her Majesty's Stationery Office, KW - Gypsum KW - Darlington N1 - Includes bibliographical references (p. 4) ER -