What has the author Earl G Planty written?

Earl C. Leatherberry has written:

'Missouri's forest resources in 2000' -- subject(s): Forests and forestry, Timber

'The forest resources of the Ottawa National Forest, 1993' -- subject(s): Forests and forestry, Forest surveys, Timber

'An analysis of Iowa's forest resources, 1990' -- subject(s): Statistics, Forests and forestry, Lumber trade, Timber

'The forest resources of the Hoosier National Forest, 1998' -- subject(s): Forests and forestry, Forest surveys, Timber

'Michigan's forest resources in 2000' -- subject(s): Statistics, Forests and forestry, Forest surveys, Timber

'Wisconsin private timberland owners, 1997' -- subject(s): Statistics, Forests and forestry, Forest surveys, Forest landowners, Timber

'Private timberland owners of Michigan, 1994' -- subject(s): Statistics, Forests and forestry, Forest surveys, Forest landowners, Timber