TABLE 59.—Realizable mean annual conifer growth! of trees 
15.1 + inches d. b. h. in the Douglas-fir region, 1933-62, lum- 
ber-tally basis 
District and unit 1933-42 1943-52 1953-62 
| 
Million Million Million 
Puget Sound: board feet | board feet board feet 
North Puget Sound_-_-__-_-_- 245 | 292 | 306 
Central Puget Sound-____-_-_-- 356 461 | 499 
South Puget Sound__-__------ 361 435 | 471 
| 
Total® :-< sss seers ea eee 962 1,188 | 1, 276 
Grays Harborisess-ceses esos 300 395 433 
Columbia River: 
Columbia River, Washington- 378 437 | 453 
Columbia River, Oregon ---_-- 396 | 481 498 
Totalea--o =) aoe ee eee 774 918 951 
Willamette River__-_--.---------- 642 705 739 
| | 
Oregon coast: | | 
North Oregon coast 2?________- 363 425 435 
South Oregon coast 3________-_- 394 434 | 455 
Totaless sesso a eae eee 757 859 | 890 
South Oregon: | 
Umpqua River 276 | 285 | 288 
RoeuerRivers 2222 ee 91 | 99 | 98 
| 
Total-/222-222- 2252 367 | 384 | 386 
| | 
Regiontotals\ oss see 3, 802 | 4, 449 | 4, 675 
Summary by districts: Percent | Percent | Percent 
Puget Sound’: (2.7. ose | 25.3 | 26.7 | 27.3 
Graystilarbors.-sss=seeo == | CR) | 8.9 | 9.3 
Columbia River_-._..-..------ 20. 4 | 20.6 | 20.3 
16.9 | 15.9 15.8 
19.9 | 19.3 19.0 
9.6 | 8.6 | 8.3 
100.0 100.0 100.0 
1 Growth that, according to calculations described in the text, may be 
expected if growth and depletion trends indicated by the survey continue 
through the designated period. Growth values shown were calculated by 
estimating volumes in 32-foot logs to 12-inch top, by Scribner rule, and 
converted to lumber tally by multiplying by 1.15. 
2 Data exclude growth on 182,060 acres of potential conifer forest land 
temporarily occupied by hardwoods (type 31). 
3 Data exclude growth on 14,520 acres of potential conifer forest land 
temporarily occupied by hardwoods (type 31). 
168 
Tasie 60.—Periodic conifer growth! of trees 15.1+ inches 
d. b. h. in the Douglas-fir region, 1933-62, lumber-tally basis 
District and unit 1933-42 1943-52 1953-62 
| 
Million | Million Million 
Puget Sound: board feet | board feet board feet 
North Puget Sound____--____ 1, 318 | 1, 488 | 1, 724 
Central Puget Sound_-__-_-_-- 1, 481 | 1, 857 2,191 
South Puget Sound____-___--- 2, 865 | 2, 632 1,991 
Mopaleca eae ee ee 5, 664 | 5, 977 5, 906 
Grays: Harbors2=-2---=--=- 2, 190 2, 046 1, 682 
Columbia River: 
Columbia River, Washington_ 2, 610 2, 798 2, 626 
Columbia River, Oregon_____- 1, 803 2, 393 2, 854 
Motallstetse ween eater } 4, 413 5, 191 5, 480 
Willamette River_....-.--------- 4,849 | 5, 221 5, 519 
Oregon coast: | 
North Oregon coast ?_____--_- 3, 226 | 3, 103 2, 648 
South Oregon coast 3_________ 3, 388 3, 744 3, 950 
Total ease. 1 ot eines eae 6, 614 | 6, 847 6,598 
| 
South Oregon: | 
UmpquarRiver—-----—— = 2,776 | 2, 756 2, 629 
RogueiRivers=-e se seseee 221 | 340 531 
otal: 2s See eae Een 2, 997 | 3, 096 3, 160 
Region:total-eesss.2 ses ee eee 26, 727 | 28, 378 28, 345 
| 
Summary by districts: Percent | Percent Percent 
Puget Sound sass ees a ees 21.2 | 21.1 20.9 
Grays) Harbors neers 8.2 | 7.2 5.9 
Columbia River_____..-.-.--- 16.5 18.3 19.3 
Willamette River__.__...--_-- 18.1 | 18.4 19.5 
Oregonicoast®=--- = 24.8 | 24.1 2353 
South. Oregon = t= soe ease 11.2 | 10.9 11.1 
Total! <2 see eee ea 100.0 | 100.0 100.0 
1 Data are shown only for stands 160 years or less in age, on commercial 
conifer forest land. Calculated by estimating volumes in 32-foot logs to 
12-inch top, by Scribner rule, and converted to lumber tally by multi- 
plying by 1.15. 
2? Data exclude growth on 182,060 acres of potential conifer forest land 
temporarily occupied by hardwoods. 
3 Data exclude growth on 14,520 acres of potential conifer forest land 
temporarily occupied by hardwoods. 
