%0 Thesis %D 1980 %T Comparative Analysis of Climatic Reconstructions Derived from Tree-Ring and Ice Core Indicators in Southern Greenland %A Kuivinen, Karl C. %Y Lawson, Merlin P. %K Geography %I University of Nebraska %V MA %G eng %0 Thesis %D 1972 %T The Climate of the Great American Desert %A Lawson, Merlin P. %K Geography %I Clark University %V PhD %G eng