0 
\ 
ha 
0 
\ 
ft 
© 
CQ 
d 
0 
•ft 
£ 
ft 
C 
© 
c} 
© 
S 
0 
td 
*P 
ft 
0 
to 
•H 
« • 
ft 
GO 
d 
£ 
0 
60 
o 
ft 
0 ■ 
rH 
-p 
•H 
rH 
ft 
O 
CO 
d 
«H 
CQ 
Cj 
o 
hi 
CO 
d 
rH 
0 
0 
ft 
0 d 
ha 
9 
r 
-p 
r~i 
a 
d 0 
H 
■ft 
o 
©ft p 
d 
0 
M 
ft 
0 p ri 
0 
© 
0 
0 
d 0 p *J riacj 
e 
d 
a 
CQ 
o a ft O 
ft (l; o 
d ft 60 
CO 
«!• 
0 
d 60 0 H 
0 d o d 
0 
60 
£ 
a 0 0 *h 
£ 
0 
P *ft 0 -f 1 0 0 0 1 
M 60 ft DO C--| ft GO rH 
d s ft ft 
d 
is 
•H Cl) ft rj 
O 
O 
0 
O qQ O •. , 4 0 0 rH 
60 d o 0 
d 
h 
d 
O -ft ft ft d O ft d 
less 
0 
0 
O 
mWO^CCKOPQ 
ft 
P 
0 
60 
ft OQ Cd rH i—1 ft ft rH ft ft ft ft 
ft 
O 
EH 
•H 
« 
SI 
CO 
JtH 
2 
d 
d 
0 
p 
oj 
d 
0 
0 
o 
0 
60| 
ft 
«H 
0 
•r* 
0 
ft 
C 
— j 
•kj 
h 
P 
O 
m 
•H 
CP 
0 
«H 
60 
r“H | 
d 
p 
•H 
r- ’ 
0 
d 
o 
ft 
d 
,0 
P 
ft 
0 
Tandem Hauling 
#* 
d 
ha 
0 
d 
O 
0 
to 
d 
0 
O 
ii 
ft 
j3 
0 
0 
Ph 
P 
P 
J 
P 
p 
d 
p 
rd 
ft 
0 
ft 
0 
•h 
0 
P 
0 
P 
0 
0 
ft 
ft 
O 
CO 
CQ 
60 
o 
0 
0 
0 
0 
0 
0 
ft 
d 
o 
ft 
o 
> 
d 
•H 
i—M 
d 
P 
d 
o 
0 
•rH 
o 
0 
H 
-p 
0 
0 
ft 
ft 
id 
p 
O 
i-* 
<— 
6? 
ft 
C? 
•O 
0 
f-l 
Co 
d 
0 
o 
GQ 
£ 
P 
CO 
d 
ft 
ft 
0 
ft 
d 
♦ft 
ft 
60 
0 
ft 
1 
ft 
t H' 
ft 
d 
60 
o 
ft 
0 
0 
0 
© 
•ft 
I—1 
0 
d 
rH 
0 
o 
0 
. 
0 
h 
S 
0 
60 
ft 
ft 
60 
0 
ft 
•ft 
rd 
ft 
d 
d 
p 
d 
O 
ft 
P 
60 
P 
d 
O 
•rH 
ft 
0 
•ft 
0 
ft 
CQ 
d 
0 
o 
ft 
0 
ha 
0 
CO 
•H 
0 
u 
d 
P 
ft 
Q 
0 
ft 
ft 
CO 
d 
0 
o 
0 
K/4 
ri 
CQ 
ft 
P 
•H 
M 
0 
p 
ha 
ft 
0 
0 
0 
0 
«H 
0 
P 
a 
rd 
60 
d 
0 
rH 
a 
ft 
d 
d 
a 
O 
0 
60 
o 
0 
d 
ft 
d 
•H 
•z 
O 
O 
p 
p 
d 
o 
p 
d 
ft 
£ 
LQ 
•H 
•rH 
•H 
0 
ft 
d 
P-t 
o 
O 
i—! 
P 
d 
CQ 
ft 
0 
o 
0 
0 
ft 
0 
t-. 
ft 
0 
Ph 
r—^ 
ft 
0 
0 
0 
is 
0 
CQ 
ft 
5 
•ft 
o 
o 
d 
• 
d 
d 
o 
© 
ft 
ft 
p 
0 
0 
0 
0 
ft 
0 
0 
CQ 
ft 
ft 
ft 
d 
j_a 
ft 
O 
CQ 
d 
ft 
P 
p 
0 
P 
d 
hi 
0 
ft 
-H 
O 
f : i 
0 
0 
d 
'•ft 
r-ft 
P 
0 
r 
ft 
o 
o 
d 
p 
£ 
0 
p 
CQ 
0 
o 
o 
0 
rH 
h 
0 
O 
o 
0 
cj 
•ft 
0 
•rH 
CQ 
ft 
£4 
d 
p 
r-'-i 
c 
ft 
ft 
60 
ft 
P 
0 
0 
i~ 
•rH 
d 
-p 
O 
0 
P 
o 
O 
0 
60 
o 
0 
ft 
O 
0 
0 
o 
ft 
0 
P4 
d 
0 
d 
d 
P 
d 
ft 
d 
O 
0 
•ft 
o 
CO 
r^j 
0 
Co 
o 
ft 
ft 
CO 
ft 
ft 
0 
*p 
ft 
r i 
d 
•H 
CO 
CQ 
60 
p 
—U 
rH 
0 
0 
o 
•H 
r J . 
c 
0 
rH 
h» 
-p 
• 
d 
ft 
ft 
• H 
d 
• H 
ft 
•ft 
ft 
60 
o 
o 
ft 
0 
ft 
t-i 
h 
a 
a 
ft 
ft 
d 
0 
d 
^3 
•H 
0 
0 
Is 
0 
p 
a 
ft 
d 
ft 
O 
f>. 
J-3 
ft 
hi 
•H 
0 
o 
p 
ft 
0 
0 
M 
0 
d 
n 
0 
ft 
0 
P4 
0 
H 
0 
0 
o 
i—1 
r-i 
i-^-i 
0 
a 
0 
•H 
d 
60 
p 
P 
0 
d 
O 
o 
d 
0 
0 
0 
ft 
<~4 
i—-1 
ft 
o 
•h 
o 
O 
d 
ft 
P 
P 
ft 
0 
0Q 
o 
P 
0 
p 
in the long run to single-haul than to double-haul. If it 
