Vermont hardwood tree health in 1991 compared to 1986
1992
Kelley, Ronald S. | Smith, Eric L (Eric Leon) | Cox, Susan M. (Susan Marie)
"Based on interpretation of aerial photos and ground measurements, a statewide hardwood tree health survey was conducted in 1985-86 and repeated in 1990-91. The latest survey shows that overall, our hardwood forests are in good condition."
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书目信息
出版者 Vermont Dept. of Forests, Parks and Recreation | [Waterbury, Vt. : Vermont Dept. of Forests, Parks and Recreation, 1992]