THE SEASONING OF WOOD. 3 
the lumber it is very slight. Table I gives the green, air-dry, and 
kiln-dry weight per cubic foot of the principal commercial woods, 
and Table II gives the per cent of shrinkage from a green to an oven- 
dry condition. 
Table I. — Average weights of various species of wood. 
Species and locality. 
Weights (pounds per cubic 
foot). 
Kiln- 
dry.i 
Air-dry. 2 
Green. 3 
27 
28 
46 
38 
39 
45 
34 
34 
39 
36 
35 
41 
53 
52 
46 
38 
40 
36 
39 
42 
( 4 ) 
37 
47 
49 
( 4 ) 
46 
41 
44 
37 
42 
46 
38 
47 
51 
46 
26 
26 
27 
27 
47 
43 
26 
24 
27 
25 
41 
41 
43 
41 
45 
43 
56 
54 
37 
45 
38 
47 
51 
59 
43 
43 
24 
35 
45 
44 
25' 
36 
56 
59 
49 
50 
25 
27 
26 
28 
45 
47 
34 
27 
36 
28 
46 
33 
29 
29 
31 
30 
30 
32 
53 
56 
61 
( 4 ) 
23 
33 
34 
46 
50 
52 
45 
36 
54 
47 
37 
65 
55 
65 
43 
43 
44 
45 
53 
54 
42 
36 
43 
37 
53 
56 
HARDWOODS. 
Alder, red, Snohomish County, Wash...... 
Ash: 
Biltmore, Overton County, Tenn 
Black— 
Ontonagon County, Mich 
Marathon County, Wis 
Blue, Bourbon County, Ky... 
Green — 
Richland Parish, La 
New Madrid County, Mo 
Oregon, Lane County, Oreg. 
Pumpkin, New Madrid County, Mo. . 
White- 
Stone County, Ark 
Oswego County, N. Y 
Pocahontas County, W. Va 
Aspen : 
Rusk County, Wis 
Largetooth, Sauk County, Wis ... 
Basswood: 
Potter County, Pa 
Marathon County, Wis 
Beech: 
Hendricks County, Ind 
Potter County, Pa 
Birch: 
Paper, Rusk County, Wis 
Sweet, Potter County, Pa 
Yellow- 
Potter County, Pa. 
Marathon County, Wis 
Buckeye, yellow, Sevier County, Tenn. . . 
Buckthorn, cascara, Lane County, Oreg. . 
Butternut: 
Sauk County, Wis 
Sevier County, Tenn 
Cherry: 
Black, Potter County, Pa.... 
Wild red, Sevier County, Tenn 
Chestnut: 
Baltimore County, Md..... , 
Sevier County, Tenn 
Chinquapin, western, Lane County, Oreg. 
Cottonwood: 
Pemiscot County, Mo.. 
Black, Snohomish County, Wash 
Cucumber tree, Sevier County, Tenn 
Dogwood: 
Flowering, Sevier County, Tenn 
Western, Lane County, Oreg 
Elder, pale, Douglas County, Oreg 
Elm: 
Cork- 
Marathon County, Wis 
Rusk County, Wis 
Dery— 
Eendricks County, Ind 
Sauk County, Wis 
i About 8 per cent moisture. 
2 About 12 or 15 per cent moisture. Average condition reached without artificial heating by material 
sheltered from precipitation, North Central States. 
s Average green material. 
* No figures available. 
Note.— Any individual lot of lumber in the condition specified in the column heading^ would proba- 
bly vary 5 per cent from the figures given with a possible variation of as much as 20 per cent. For exam- 
ple, young thrifty pines will have a high moisture content when freshly cut and will probably weigh 20 per 
cent above the average given. 
