Bibliografía (23 obras)
Iowa's forests, 1999-2003
2006
Michigan's forest resources in 2000
2002
The forest resources of the Hoosier National Forest, 1998
Missouri's forest resources in 2000
Wisconsin private timberland owners, 1997
2001
South Dakota's forest resources outside the Black Hills National Forest, 1996
2000
An analysis of the forest resources of Kansas
1999
Private timberland owners of Michigan, 1994
1998
The forest resources of the Ottawa National Forest, 1993
1997
Michigan forest statistics, 1993
1996
An analysis of Minnesota's fifth forest resources inventory, 1990
1995
Forest statistics for Michigan's northern lower peninsula unit, 1993
1994
Forest statistics for Michigan's western upper peninsula unit, 1993
Forest statistics for Michigan's Northern Upper Peninsula Unit, 1993
Using forest inventory data to assess use restrictions on private timberland in Illinois
1993
An analysis of Iowa's forest resources, 1990
1992
Forest statistics for Minnesota's central hardwood unit '90
1991
Timber resource of Missouri's eastern Ozarks
1990
Timber volume in Indiana, 1986
1988
Unstaffed trail registration compliance in a backcountry recreation area
1981
Minnesota canoe and kayak owners
1979
