00522cam a22001457a 4500008004000000082001900040245016300059260005300222300001000275650001600285650001300301700002100314700002000335700002100355180718b1962   xxu||||| |||| 00| 0 eng d  aY11084x73 Ac57  aLand economics research: papers presented at a symposium held at Lincoln, Nebraska, June 16-23, 1961,cedited by Joseph Ackerman, Marion Clawson and M. Harris  aWashington, D.C.bResources for the Futurec1962  a270p.  aLand tenure  aLand use  aHarris, Marshall  aClawson, Marion  aAckerman, Joseph