TY  - BOOK
AU  - Roach,Benjamin A.
AU  - Gingrich,Samuel F.
TI  - Even-aged silviculture for upland central hardwoods,
T2  - United States. Dept. of Agriculture. Agriculture handbook
AV  - SD391 .R58
U1  - 634.9/7 
PY  - 1968///
CY  - Washington
PB  - U.S. Forest Service; for sale by the Supt. of Docs., U.S. Govt. Print. Off.
KW  - Forests and forestry
KW  - United States
KW  - Hardwoods
KW  - Silviculture
KW  - Hard woods
N1  - Bibliography: p. 38-39
ER  -