"study number","owner","title","investigators","doi","time period"
"04254","DSDR","Great Plains Population and Environment Data: Agricultural Data, 1870-1997 [United States]","Gutmann, Myron P.","http://dx.doi.org/10.3886/ICPSR04254.v1","1997"
"31681","DSDR","Great Plains Population and Environment Data: Biogeochemical Modeling Data, 1860-2003 [United States]","Parton, William J.; Gutmann, Myron P.; Hartman, Melannie D.; Merchant, Emily R.; Lutz, Susan M.","http://dx.doi.org/10.3886/ICPSR31681.v1","2003"