The Managed Areas Database (MAD) is a 1:2,000,000 scale digital dataset depicting major managed areas in the coterminous U.S. (McGie, R.G. 1996. Creation of a comprehensive managed areas database for the coterminous United States. Summary project technical report (NASA-NAGW-1743. Remote Sensing Research Unit, University of California, Santa Barbara.)
The National GAP Program offers the most updated stewardship coverages by state, along with landcover and vertebrate maps.