A working plan for forest lands near Pine Bluff, Arkansas . AGE— YEARS. Fig! 7.—Diagram showing the merchantable contents in board feet of Shortleaf and Loblolly Pine onthe basis of age. (Contents by Doyles Rule.) Bui. 32. Bureau of Forestry, U. S. Dept. of Agriculture. Plate

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Keywords: ., bookcentury1900, bookdecade1900, bookidworkingplanf, bookyear1902