00581nam a2200157Ia 4500008004100000010001300041040001700054082002100071110006300092245005100155260003100206300001400237440005500251500006800306650004900374190328s9999||||xx |||||||||||||| ||und||  a73-91928  aNITILcNITIL  221sta333bC734R  aCommittee on Resources and Man. Division of Earth Sciences 0aResources and manba study and recommendations  aSan FranciscobW H Freeman  aix, 259p.  aNational Academy of sciences publication; no. 1703  aWith the cooperation of the division of biology and agriculture  aNatural resources; Education manpower policy