. Bulletin (Pennsylvania Department of Forests and Waters), no. 46-50. Forests and forestry. 18 The Beech-Birch-Maple Forest Type in Pennsylvania. 19 20 30 10 50 A6E-YEARS eo 70 60 Fiff 6 Dmgram Showwff Average and Maximum Volume of Beech-Birch- IgelVpTsT/eTs!'"''^^ iV.„.s,yh«..« in CuMe Feet per Acle at mtcrL a considerable proportion of material of .sucli size and quality as to be suitable for saw lojrs. Tlie aeeompanyino; table and -rapli, based upon data from 18 per- manent .sami)le plots, jyive the cubic foot volume vield ])er acre The tables showing: tlie yield in cords per acre wer
. Bulletin (Pennsylvania Department of Forests and Waters), no. 46-50. Forests and forestry. 18 The Beech-Birch-Maple Forest Type in Pennsylvania. 19 20 30 10 50 A6E-YEARS eo 70 60 Fiff 6 Dmgram Showwff Average and Maximum Volume of Beech-Birch- IgelVpTsT/eTs!'"''^^ iV.„.s,yh«..« in CuMe Feet per Acle at mtcrL a considerable proportion of material of .sucli size and quality as to be suitable for saw lojrs. Tlie aeeompanyino; table and -rapli, based upon data from 18 per- manent .sami)le plots, jyive the cubic foot volume vield ])er acre The tables showing: tlie yield in cords per acre were'developed from the cubic foot yield tables. A converting factor of eightv-five cubic feet per cord was used. After these stands reach an a-e of (JO yc^ars, the cubic foot volume jrrowth increases rather slowly with the passin- years. It is after ihis I)eriod of rapid lieight and volume growth is ended that mucli of the The Bei:cii-Birch-:Maple Forest Type in Pennsylvania li). Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Pennsylvania. Dept. of Forests and Waters. Harrisburg, Pa. : The Department
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectforests, bookyear1923
