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ORIGIN AND USE OF THE LOG RULES. df 
This rule is used most extensively in the Adirondack Moun- 
tains. It is sometimes called the Glens Falls Standard Rule. 
The contents of logs longer than 13 feet are obtained by adding 
one-thirteenth of the contents of the 13-foot or standard log for each 
foot over 18 feet. The contents of logs shorter than 13 feet are 
obtained by subtracting one-thirteenth of the contents of the 13- 
foot or standard log for each foot under 13 feet. 
The Nineteen Inch Standard Rule. 
BASED ON THIRTEEN-FOOT LOGS. 

DIAMETER IN INCHES. 


CONTENTS IN STANDARDS. 
Length in feet. 

10—| 0.08 | 0.05 | 0.08:| 0.11-| 0.14:| 0.17 | 0. 21 | 
ee OS dF | 15 | 19 | 23 | 628] «284 
ore 047 09.) 213)- 17 | .20 |) .26) 231] .37 
eee a Oe 10 4) 18) 122 |. 28) 2844+ - 240 
eee. 06 ite 15 | 19; . 24) .30| ..36 43 
a i ee 16 | 21) .25 | .32| 39) .46 
eg ee te | ey |? 22 | 27 | 284). Al 49 
eee oe i 18 | 24): 29) .86) 144) 252 

ee ee ee ei 19) 225) 30) .38 | 246] .55 
eee te 10 i | 2 26 | 32 |. 40. . 49 .o8 
eee We ep i 2? | 28 | 34 |. 248) .52)~ .61 
ieee ee ee Oe 95 229] «236 ) .40) .04] |. 64 
eee ee tye 24 | 31 | oT | (WAT | Od . 67 

eg eee tac DO 832 | 239} «49 |) ~.59 oT S| 
eet ee eee 26) 33 | 2.41; ol} .62) 27 
oS A SS ce 4 a mo 
fea eee O98 | 6 686 | (644) 155] 7.67) = .80 
eet. 29+ 37 | 246] .58] -70) .83 
ee eee et ee 3] | 239] «249 ) 260) . 721 86 
Pea ol | .40 | .49 | .62)' .7o|) .89 
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e232) 142 | 51 | .64 
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