Taste 15.—Net growth, normal mortality, and commodity drain on primary growing stock on commercial forest land by tree- 
size class, Montana* 
- Net Normal Commodity 
Size class growth mortality drain 
Million Million Million 
Saw-timber trees: cubic feet cubic feet cubic feet 
WiestennyMontamartistccsrtaralepaieyete cictete rare es telane vale ratalase-c lopola coos salt cle aceasta: artis oLyThbei Sis aries ass 52 26 78 
Masterne Won tan ays sc apersistoieve ous cle custoseneinvel ote oles eluate fysilerarcie a aie neue store le recoieyete eosseiwlionstoieas otic 42 tes 9 
POCA reat cosee scene rete vel era testa seoyecaraTshe foTelaPansel Suevanaraseneresongnstelitags erwin raraface;enetateicccresopuaeta miccacere 94 40 87 
Pole-timber trees: 
Western Montana:.%.0sc0css0 050s Bi APS OC ORR RAT aaa aici onan ariea aceite ween ean 45 3 3 
J DENSE CT PAN Gey OLE aS PETC OIC OTRO PERO ICE ORES DDO TER SHI ORCC Ean Ean ene neers 102 7 4 
SMa val ercpcvare ciete eye ram e aeRO TST Toes gH SSSI eae Te eae aan eaaiansboMenaoletate clave Gerals, © Sianecactiayeie 147 10 
All trees: 
Western Montana..... Ia stieuaveche olstsacniaes weieisiele aide cis /sicieeieie cities eels tre gin eisrwigce ees ene 97 29 8 
IDE HC ab IY Kopamerine lor caries cree eR Src T Soko o ET Ce OER CTC: ESSE SCTE NOEL Rca Pte ee 144 21 1 
Ceo teeth Sarees sactas sesgeraceeene Tota eee reece OTT EV aceie a Tone cote hla Bi ata She tage eavesthaua lel mbes we eaa iatener ae 241 50 94 
1 Growth and mortality for western Montana are averages based on the period 1930-39; for eastern Montana, 1940-49. 
average based on the period 1939-48. 
Commodity drain is an 
Taste 16.—Comparison of average annual and 1948 cuts with conditional allowable annual cut of live, sound timber, by 
species, Montana 
Saw-timber trees ! Pole-timber trees All trees 
Species Average = Conditional | Average : Conditional Average Conditional 
annual cut 1948 allowable annual cut 1948 allowable annual cut 1948 allowable 
1939-48 cut cut 1939-48 cut cut 1939-48 cut cut 
Million Million Million : 1,000 1,000 1,000 Million Million Million 
Teepe NV CRETE board feet board feet board feet cords cords cords cubic feet cubic feet cubic feet. 
Ponderosa p.ne..... 187 | 231 99 3 4 3 29 33 15 
White p:ne......... 16 14 LB a) tes, al ee ers 1 3 2 3 
Larch and Douglas- 
fiseiseeessietevaccaieiete 243 357 280 21 16 64 42 57 48 
Lodgepole pine..... 3 4 74 13 13 82 2 2 20 
Other species......- 30 26 89 1: pe 7, 5 4 17 
Otalaccochet release 479 632 560 38 35 167 81 98 103 
Eastern Montana: 
Ponderosa pine..... 9 8 23 16 12 7 2 2 6 
Larch and Doug'as- 
Mp ert AON BADD 9 19 85 8 7 91 3 4 27 
Lodgepole pine..... 8 13 131 16 35 260 3 5 5i3 
Other species....... 23 10 62 11 10 110 5 4 23 
Motaligirnsntsrvciers 49 50 301 51 64 468 13 15 109 
State: | 
Ponderosa pine..... 196 239 122 19 16 10 31 35 21 
White pine......... 16 14 UG yili eeraertatceeie sia Perapoussete rela ee 1 3 2 3 
Larch and Douglas- 
Brosnan ses eget ay ote 252 376 365 29 23 | 155 45 61 75 
Lodgepole pine..... 11 17 205 29 48 342 5 7 73 
Other species....... 53 36 151 12 12 127 10 8 40 
Mota esses che shox 528 682 861 89 99 635 94 113 212 
1 International 14-inch rule. 
Forest Resources of Montana 69 
