BALSAM FIE. 
53 
CONVERTING FACTORS OF STACKED .MEASURE IXTO CUBIC FEET. 
The following factors can be used for converting stacked measure 
into cubic measure: 
For cords made up of billets 4 feet long and from 4 to 7 inches in 
diameter, 0.72. 
For cords made up of billets 4 feet long and from S to 12 inches in 
diameter, 0=76. 
In order to convert a cord of ordinary pulpvrood into cubic measure. 
128 feet should be multiplied by 0.74, the average converting factor 
for pulpwood. 
FORM FACTORS. 
Tables 38 and 39 give breast-high form factors for Maine and for 
New York. 
Table 38. — Form factors (breast h igh) for New York. 
Diameter breast high (inches). 
Height of tree (feet). 
20 
30 
40 50 
60 
70 80 
Form factor. 
3 
0.552 
.547 
.542 
0.551 
.546 
.541 
.535 
.529 
4 
0.546 
.541 
.534 
.527 
.519 
5 
o m 
6 
. 533 
.525 
.516 
..507 
.495 
.488 
0. 530 
.522 
.514 
.505 
.496 
.486 
.475 
.465 
.454 
.445 
.436 
0.527 
.520 
.512 
.503 
.494 
.484 
.474 
.464 
.454 
.444 
.435 
0.51S 
.510 
.501 
.492 
.483 
.473 
.463 
.453 
.444 
.435 
9 : 
10 
11 
12 
13. 
14. 
15 
16. 
Table 39. — Form factors (breast high) for Maine 
Height of tree (feet). 
Diameter breast high (inches). 
40 
50 
60 
70 
"so 
Form factor. 
0.531 
0.539 
0.546 
0.553 
8...... 
.517 
.525 
.531 
.541 
0.549 
9 
.502 
.510 
.519 
.528 
.537 
10 
.484 
.504 
.490 
.515 
.525 
11 
.478 
.501 
.512 
12 -.. 
.475 
.488 
.500 
13 
.460 
.474 
.487 
14. 
.444 
.459 
.473 
15 
.42S 
.444 
.459 
16. i 
.412 
.430 
.445 
BARE VOLUMES. 
Table 40 gives the volume of bark of "trees of different diameters 
and heights. On the whole, bark makes up about 10.6 per cent of 
the total volume of the tree. 
