28. BULLETIN 426, U. S. DEPARTMENT OF AGRICULTURE. 
Table 19 indicates the comparative rate of volume, diameter, and 
height growth of sugar pine and two of its common associates, yellow. 
pine and incense cedar. Sugar pine evidently outgrows cedar in all 
three respects from its fiftieth year. It passes yellow pine in height 
about the one hundred and tenth year, in diameter about the one 
hundred and thirtieth year, and in volume about the one hundred 
and fiftieth year. 
TaBLE 19.—Comparative rate of volume, diameter, and height growth of sugar pine and two 
of its common associates. - 
Species. 
Sugar pine. Yellow pine.! Incense cedar. 
Age. 
Diameter Diameter Diameter Vol 
breast | Height. | Volume.| breast | Height. | Volume.| breast | Height. Bee 
high. high. high. ne. 
Board Board Board 
Years. Inches. Feet. feet. Inches. Fect. feet. Inches. | I'eet. | feet. 
20 0.2 Sigg ee Sees 293 ALAA era een ance a leonora) 
40 2.5 DSi yan laonee Saye ae 6.5 29) sisal az vl ce ee BVA pata een Ue bee 
60 Us ® Cay TE eh ype a ee 11.4 GVA a a SN 6. 4 De al i gs ante 
80 13. 0 72 110 16.1 79 210 9.8 AO a ate ie 
100 18.1 §2 240 20.0 94 360 13.6 65 70 
120 ~ 22.7 106 490 23.3 104 610 17.8 75 140 
140 26.8 118 850 Pi, eh 112 890 21.3 82 230 
160 30. 5 127 1, 290 28. 0 118 1,170 23. 6 86 310 
180 33. 9 135 1,760 29.8 123 1, 430 25. 8 90 390 
200 37.0 142 2, 250 31.3 127 1,640 27.8 93 490 
220 - 40.0 148 Pascoe Uae Ne Heoe iss UAT es had ears eta te Ae 29. 8 96 600 
240 42.5 153 SACO sa eee A Uae MILAM Saree |e aU ied Bills 7 98 720 
260 44.9 158 AMAIA Vaal iat Uae Lali Cs ee ehape PCR UR Vo 33. 6 101 850 
280 47.2 162 ASIA (yl cae pC ead gE eeepc (Miele 2 RO 35. 4 103 970 
300 49.3 167 SION Alisge ae ene ell eee ES ce eg et 36.9 105 | 1,090 
320 51. 4 171 SAO 20) ae ane re ARAL I EAA ees hae 38. 2 115 | 1,200 
340 53. 5 174 TAO is ees ee aso a en yes ee 39. 2 118 | 1,290 
350 DONO 177 TAO ere ek ee | eines tea ea eres Oe ee 40.1 119 | 1,380 
330 57.3 180 SUBS O an Salsa a es eaacus RRS Bee are 40.9 120 | 1,440 
400 59. 1 183 ESCO CO ira hace ane RS SN a 41.6 121 | 1,510 
1 From Forest Service Bul. No. 69, “Sugar Pine and Western Yellow Pine in California,’’ by Albert W. 
Cooper. 
YIELD. 
The average merchantable stand per acre of sugar pine varies 
widely throughout its range. In general it ranges from 2,000 to 
16,000 board feet, which represents from 12 to 60 per cent of the 
total stand. However, within the sugar pine-yellow pine type con- 
siderable areas show an average of 20,000 feet per acre, representing 
40 per cent of the whole 
Tape 20.— Maximum siands of sugar pine within the sugar pine-yellow pine type in 
three localities. 
Locality. Dee nee Sugar pine. White fir. | Incense cedar.| Douglas fir. Total. 
Bd ft)\-B.ce. | Ba ft..| PR. cb.) Ba. fie hact, |B daft. P. CE eBdigt. |e Calebais Pp. ct. 
Tahoe National 
Forest....... 11,030 | 22.7 | 18,440 | 37.9 | 7,174 | 14.8] 1,880 | 3.9 | 10,050 | 20.7 | 48,574 100 
Stanislaus Na- 
i tional Forest.| 13,750 | 27.4 | 20,700 | 41.2 | 11,370 | 22.6 | 4,480 | 8.8 |........|...--- 50, 250 100 
Yosemite Na- 
tional Park. .| 14,688 | 23.9 | 20,538 | 33.4 | 19,269 | 31.4 | 6,904 | 11.3 |........|---- Gl 399 100 
