Table 4.--Operating costs using 110-130 DBHP crawler tractors for three differen 



t 



Distance 



Slope 



5 THOUSAND BOARD FEET PER ACRE 





(feet) 



(percent) 



Logs/M bd.ft. 









4 



6 



8 



10 



12 



14 



16 



4 



6 



Dollars/M bd.ft. 





C 



D 



9 



oy 



9 



y / 



q 



ft 1 

 O 1 



A 

 4 



bb 







K f\ 



OU 



C OA 



b.o4 



7.19 



1 "7 

 Z. 1 / 



r 

 Z. / 





1 A 



o 

 Z 



ou 



Q 

 O 



ns 



o 

 o 



y 4 



1 



4 



ft A 



oU 



D 



DO 



b.o 1 



1 .60 



9 /I 

 Z . Z4 



Z.C" 



200 



15 



2 



63 



3 



22 



4 



09 



4 



96 



5 



82 



6.69 



7.56 



2.32 



2.i 



200 



20 



2 



79 



3 



38 



4 



26 



5 



14 



6 



02 



6.90 



7.78 



2.41 







Ad 



Z 





Q 

 O 



Do 





A 1 



4 / 







OD 



a 

 D 



ZD 



/ . 1 



ft r\A 



. U4 



Z . Oo 



. J 







Q 



o 



O 1 



Z 1 



Q 

 O 



O I 



/I 



17 9 

 / Z 







D Z 



a 



D 



00 



7 A A 

 i .44 



ft Q/1 

 . o4 



9 PP. 

 Z .DD 



Q 9) 





35 



o 



O 



1 A 



4 



1 A 

 1 U 



c 

 



AO 



uz 







Q A 



y 4 



c 



D 



ft Ci 

 00 



inn 

 1,11 



.by 



9 ft 

 Z .0 Z 



0.4 



O A A 



zUU 



40 



o 

 o 



oz 



4 





n 

 O 



/ 



c 

 D 



u 



7 



9 Q 

 Zo 



ft 1 A 



. i D 



Q A Q 



y .uy 



. uu 



9 (J 



oUU 



5 







Q 

 O 



AO 



4 



A 



UZ 



A 

 4 



y D 



c; 

 



ftQ 



oy 



ft9 

 D . Z 



7 7A 



z . 



9 c5 

 Z .It 



Q A n 



10 



o 

 z 



Ob 



n 



1 Q 



4 



1 



1 z 







u / 







09 



u z 



P. QP 



D .yo 



7 Q 1 



/ .y -L 



9 



z . oy 



o.l 



300 



15 



2 



66 



3 



28 



4 



24 



5 



20 



6 



16 



7.11 



8.07 



2.46 



3.cl 



300 



20 



2 



78 



3 



40 



4 



37 



5 



34 



6 



31 



7.28 



8.25 



2.53 



3.1^ 



O AA 



25 



2 



92 



3 



54 



4 









1 



b 



4y 



/ .4o 



o.4b 



9 1^ 9 



Z.bZ 



■3 



6.r 



O A A 



30 



3 



08 



3 



7 1 



4 



71 



r- 







/ 1 



b 



'7 A 



'7 7 A 



Q C A 



o.by 



z. / z 



o3 



oUU 



35 



3 



28 



3 



92 



4 



A 



y 







A 



y 



b 



A ,1 



y 4 



7 A C 



/ .y 



Q AC 



o.9b 



Z.oo 



3.4 



O A A 



40 



3 



51 



4 



15 



5 



17 



6 



19 



7 



22 



8.24 



9.26 



AC 



z.yb 



3.C 



L 





c 

 



z 



Pi A 



Q 



o 





4 





c 

 



Q 



b 



00 



/ .00 



O.40 



z.oo 



3.1 



Ann 



1 A 

 iU 



z 



/ Z 



Q 



o 



OO 



4 



A A 

 4U 



5 



43 



D 



47 



7.50 



8.54 



2.59 



3.2 



400 



15 



2 



80 



3 



45 



4 



49 



5 



54 



6 



59 



7.64 



8.69 



2.64 



? 



3.2- 



400 



20 



2 



89 



3 



55 



4 



61 



5 



67 



6 



73 



7.79 



8.85 



2.71 



3.3^ 



400 





Q 

 O 



on 



uu 



Q 

 O 



o o 







5 





b 





 00 



7.95 



9.03 



Z. 10 



3.4 



400 



o u 



■3 

 O 



1 4 



■3 

 O 



o u 



4 



1? 



r 

 



A 1 



n 

 1 



A C 



Ub 



0.14 



A 



9.ZJ 



z.ob 



3.0 



400 





3 



o u 



3 





5 



uu 



b 



1 b 



n 

 I 



9 1^ 

 ZO 



O.OD 



y .40 



9 AC 



Z.yb 



6.b 



400 



ACi 

 *± u 



Q 

 O 







1 Ij 



o 



9fi 



b 



/ 



n 

 I 





Q A 



o.oy 



A "7 A 



y . / u 



.\j 1 



0. / 



L 



500 



c; 



2 



84 



3 



51 



O J. 



4 





p. 

 



7 



1 



a 

 b 







/ . cJb 



Q n7 

 y .u / 



9 7^ 

 z . / 



3 4^ 



.4 



500 



1 n 



JL VJ 



2 



90 



3 



58 



4 



70 



p. 

 







a 

 b 



C7 



8 rift 



. Uo 



Q 90 

 f . z u 



9 ftn 



.0 u 



. 4 



OUU 



"1 C 



io 



Z 



y / 



o 



DO 



4 



/y 



5 



A 



9 3 



7 



07 



8.20 



9.34 



2.85 



3.5' 



500 



20 



3 



06 



3 



74 



4 



89 



6 



04 



7 



19 



8.34 



9.49 



2.91 



3.5' 



500 



25 



3 



15 



3 



84 



5 



00 



6 



17 



7 



33 



8.49 



9.65 



2.97 



3.e 



500 



30 



3 



27 



3 



96 



5 



13 



6 



31 



7 



48 



8.66 



9.83 



3.05 



3.7' 



500 



35 



3 



40 



4 



10 



5 



28 



6 



47 



7 



66 



8.84 



10.03 



3.13 



3.8' 



500 



40 



3 



55 



4 



25 



5 



45 



6 



65 



7 



85 



9.05 



10.25 



3.22 



3.9> 



600 



5 



3 



05 



3 



75 



4 



95 



6 



15 



7 



36 



8.56 



9.76 



2.97 



3.6^ 



600 



10 



3 



11 



3 



81 



5 



03 



6 



24 



7 



46 



8.67 



9.88 



3.02 



3.7 



600 



15 



3 



17 



3 



88 



5 



11 



6 



34 



7 



56 



8.79 



10.02 



3.07 



3.7' 



600 



20 



3 



25 



3 



96 



5 



20 



6 



44 



7 



68 



8.92 



10.16 



3.12 



3.8' 



600 ' 



25 



3 



33 



4 



05 



5 



30 



6 



55 



7 



81 



9.06 



10.31 



3.18 



3.9' 



600 



30 



3 



43 



4 



15 



5 



42 



6 



68 



7 



95 



9.21 



10.48 



3.25 



3.9' 



600 



35 



3 



55 



4 



28 



5 



55 



6 



83 



8 



11 



9,38 



10.66 



3.32 



4.0' 



600 



40 



3 



68 



4 



41 



5 



70 



6 



99 



8 



28 



9.57 



10.86 



3.41 



4.1- 



