00336nam a2200133 a 4500008004100000020001500041050001500056100001900071245003000090250001100120260004000131300002200171350000900193120416s1979    ||||||||||||||||| ||    u  a0471090433  aTN 260 Jen  aJensen, Mead L10aEconomic mineral deposits  a3rd.ed  aNew YorkbJohn Wiley and Sonsc1979  aviii, 593p. : ill  a0.00