Ancient Forests

by Alexandra Siy

Describes the life cycles of Douglas Firs in the Pacific Northwest as they relate to ecological issues such as species diversity and air and water filtration. This description may be from another edition of this product.

• Format: Hardcover
• Language: English
• ISBN: 0875184669
• ISBN13: 9780875184661
• Release Date: January 1991
• Publisher: Dillon Press
• Length: 72 Pages
• Weight: 0.75 lbs.
• Dimensions: 0.4" x 7.5" x 9.7"
• Age Range: 9 to 12 years
• Grade Range: Grades 4 to 7