16 BULLETIN 234, U. S. DEPARTMENT OF AGRICULTURE. 
Estimated conversion costs and stumpage value of tie timber. 
Firsts. 
Seconds. 
Depreciation on improvements and equipment 
Maintenance of improvements and equipment 
Overhead expenses (office, supervision, sales, insurance, etc.) 
Current operating expenses: 
Making (felling, bucking, hewing) 
Brush disposal and cutting defective timber 
Hauling and banking 
Driving and booming 
L oading 
Total cost of production 
Average cost (90 per cent first class; 10 per cent second class) 
Average price received, f. o. b. cars 
Difference for profit and stumpage 
Stumpage value, allowing 20 per cent profit 
SO. 020 
80. 0019 
.018 
.0020 
.025 
.0027 
.150 
.100 
.030 
.030 
.060 
.060 
.072 
.072 
.018 
.018 
.393 
.28ft> 
SO. 3824 
.62 
.2376 
.13 
Conversion costs and stumpage value of saw timber. 
Per thousand 
T .- board feet 
Logging: log scale. 
Depreciation on improvements and equipment $0. 51 
Maintenance of improvements and equipment 35 
Overhead expenses (supervision, office, scaling, etc.) 40 
Current operating expenses — 
Felling and bucking $1. 00 
Swamping and skidding 1. 10 
Brush, disposal and defective timber 75 
Temporary roads 35 
Hauling and banking '. 1. 45 
Driving and booming 1. 12 
5.77 
Total cost of logs at mill ' 7. 03 
Per thousand board feet. 
, r .„. - , , -.. - Lumber Log 
Milling and marketing: tally. scale.* 
Depreciation on improvements and equipment $0. 58 $0. 70 
Maintenance of improvements and equipment 23 . 28 
Overhead expenses (sales, insurance, supervision, office,, etc.). .54 .65 
Current operating expenses — 
Milling 2. 18 2. 62 
Yarding 54 .65 
Planing and finishing 83 • LOO 
Grading and loading 55 .66 
Total milling and marketing 5. 45 6. 56 
i The amount of lumber actually sawed out at the mill is estimated to overrun that shown by tbe log 
scale by 20 per cent. Consequently the figures in this column are obtained by increasing by 20 per cent the 
costs per 1,000 board feet as shown by the lumber tally. 
