Type | Book |
ชื่อเรื่อง | Hardwood thinning opportunities in the lake state : proceedings of a symposium, Escanaba, Michigan, April 20, 1984 / John A. Sturos, compiler ; sponsored by Department of Forestry, Michigan Technological Universtiy ; North Central Forest Experiment Station, USDA Forest Service ; Bay de Noc Community College; Michigan Association of Timbermen; Michigan-Wisconsin Timber Producers Association |
พิมพลักษณ์ | St. Paul, Minn. : U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station, 1986 |
รูปเล่ม | 153 p. : ill., maps |
หัวเรื่อง | Forest management --Great Lakes Region --Congresses [] |
| Forests and forestry --Great Lakes Region --Congresses [] |
| Hardwoods --Great Lakes Region --Congresses [] |
| Timber --Great Lakes Region --Congresses [] |