322 



The Farm Woodloi 



TABLE OF TREES ARRANGED IN ORDER OF FUEL VALUE 

 AND WEIGHT OF DRY WOOD 1 



(Green's Forestry in Minnesota) 



NAMES 



APPROXIMATE 



RELATIVE FUEL 



VALUE 



SPECIFIC GRAVITY 



OF ABSOLUTELY 



DRY WOOD 



Shellbark Hickory 83.11 



Hop Hornbeam 82.43 



Juneberry 77.95 



Bitternut Hickory 74.74 



White Oak 74.39 



Bur Oak 74.06 



Locust 72.96 



Hackberry 72.08 



Blue Beech 72.26 



Cork Elm 72.20 



Green Ash 70.71 



Scarlet Oak 70.82 



Slippery Elm 68.98 



Kentucky Coffee Tree . . . 68.88 



Sugar Maple 68.75 



Norway Maple 



Honey Locust ...... 66.86 



Red Oak 66.04 



Yellow Birch 65.34 



White Ash 65.16 



White Elm 64.54 



European White Birch . . . 



Black Ash 62.72 



Tamarack 62.16 



Red Ash 61.99 



Red Maple 61.65 



Black Walnut 60.91 



0.8372 

 .8284 

 .7838 

 .7552 

 .7470 

 .7453 

 .7333 

 .7287 

 .7286 

 .7263 

 .7117 

 .7095 

 .6956 

 .6934 

 .6916 

 .6800* 

 .6740 

 .6621 

 .6553 

 .6543 

 .6506 

 .6400* 

 .6318 

 .6318 

 .6215 

 .6178 

 .6115 



1 In this table the figures relating to North American species have been 

 taken directly from or calculated from data in Sargent's '"Silva of North 

 America" and the report of the tenth census, and those relating to Euro- 

 pean species are from various European sources. 



* Air dried. 



