Appendix B. A table of land and vegetation cover types used in creating geographic information system data layers of Michigan's land cover ca. 1800 and a coverage of unchanged vegetation. PearmanPeter B. PenskarMichael R. SchoolsEdward H. EnanderHelen D. 2016 A table of land and vegetation cover types used in creating geographic information system data layers of Michigan's land cover ca. 1800 and a coverage of unchanged vegetation.