au.\*:("BUSCH WL")
Results 1 to 3 of 3
Selection :
MINERAL PRODUCTION IN ILLINOIS IN 1970.BUSCH WL.1972; ILLINOIS STATE GEOL. SURV., CIRC.; USA; 1972, NUM. 0469, P. 1 A 22Miscellaneous
MINERAL PRODUCTION IN ILLINOIS IN 1968.BUSCH WL.1969; ILLINOIS STATE GEOL. SURV., CIRC.; USA; 1969, NUM. 0447, P. 1 A 21Miscellaneous
MINERAL PRODUCTION IN ILLINOIS IN 1967.BUSCH WL.1968; ILLINOIS STATE GEOL. SURV., CIRC.; USA; 1968, NUM. 0435, P. 1 A 22Miscellaneous
