2004 Best Paper Award to Matt Morgan from the Colorado Scientific Society for his presentation of "FROM BUTTES TO BOWLS: REPEATED INVERSIONS IN THE LANDSCAPE OF THE COLORADO PIEDMONT".  His coauthors were Vince Matthews, Jon P. Thorson, Francisco Gutierrezand Matthew T. Grizzell.

1999 Best Paper Award from the Colorado Scientific Society to Bob Kirkham for
his presentation of Dissolution of evaporites causes widespread active collapse in west-
central Colorado.