TY - BOOK AU - Nichol,I. TI - Regional geochemical reconnaissance of the Derbyshire area PY - 1970/// CY - London PB - Her Majesty's Stationary Office KW - Geochemical prospecting KW - Mines and mineral Resources KW - England KW - Derbyshire KW - Derbyshire, England KW - Mines and mineral resources N1 - p. 36-37 ER -