Forest planting on coal lands in western Pennsylvania
By: By S.N. Spring ...
Contributors: United States. Forest Service
Series: Circular / U.S. Dept. of Agriculture, Forest Service -- no. 41; Circular (United States. Forest Service) -- no. 41.
Publisher: G.P.O.
Published: 1906
Place of publication: Washington, D.C
Language: eng
Number of pages: 16
Subjects: Afforestation and reforestation; Forests and forestry