@article {PIE102, title = {Building a database of historic land cover to detect landscape change.}, journal = {Biological Bulletin}, volume = {205}, year = {2003}, note = {REU}, pages = {257-258}, keywords = {land use, landscape, LTER-PIE}, doi = {10.2307/1543283}, author = {Holden, M and Lippitt, C. and Pontius, R.G., Jr. and Williams, C.} }