STS 
sg oe te 
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Washington, D. C. 
UNITED STATES DEPARTMENT OF AGRICULTURE 
« | @ 32-8 DEPARTMENT BULLETIN No. 1493 y 
June, 1927 
TIMBER GROWING AND LOGGING PRACTICE IN THE DOUGLAS FIR REGION 
AM PROGUCH OMEM een eek Lee See ee Fess 
General situation in the Douglas fir region__ 
The forest and forest types______________ 
The Douglas fir type proper____-__-.-- 
Wwhesecepeliabypers. +2 2225 2 sale 
The upper-siope types________-__---- 
Factors affecting natural reforestation in 
the Douelasmir types 2 seo Ll sos 
Secdsproduchione ws 22222 tS 
Seed dissemination___._____-___----- 
Seed storage in the duff___________--- 
SHE GC) ODEs IVa oe ee ae 
Importance of prompt slash disposal_ 
Introduction by W. B. Greenery, Forester, Forest Service 
CONTENTS 
Page 
1 | Minimum measures to keep forest land pro- 
5 ductive—Continued. 
5 Regional cooperative system of forest 
6 Drotechlone. 225-8 eee eee ee 
6 The: presentisystem == 282-5 - se 
Ik Present expenditures for protection __ 
The present fire record___-_________- 
7 Causesiofifiresy2 . 22 S322 a a Seek 
g Needed modifications in the protective 
8 SV SUCTINE. setter 2. Nee aah a aie oe ie eek eee 
CIE Cut-over land and young growth 
9 should be protected for their own 
10 SaIKOee Ses ae ood Ce ears See 
The place of single seed trees in Doug- The protective system should be 
lastirareforestaon= = =e il gauged to fit the fire hazard_______ 
Reforestation factors in the fog belt____-_- 12 Preventive work should be strength- 
Logging as it affects reforestation____-_-_- 13 Cned it Sites ie Pee ee eee 
Status of reforestation under present More money for general protection_- 
DTACTICES Set & ce Ut Ua eee ei el tL 14 Modification of State fire laws_______ 
Minimum measures to keep forest land pro- Returns and costs of minimum measures___-_ 
OUTIO TS, @ Le Ses Fae I ee oe renee One ee a 15 Expected future yields___________--_-_--- 
Fire control the paramount consideration_ 15 OSES eae ee ee Se ae 
Care of the virgin forest______-_----.---- 16 | Supplementary measures for intensive tim- 
Treatment of the forest and cut-over DOE SLO WIN Pe ese ob eles tel ss eee 
lardsdurme logeine-< =" = Sees 2 ee 16 Technical plan of management___-_____- 
Directaprotechi onv S92 kee Ae 17 Direct protection against fire___________- 
Fireproofing cut-over land, or in- Indirect protection against fire, or fire- 
direct protection.:=*+~ 0)" == 22 19 Droohne lands ss stew se es Cee eee 
Prompt and careful slash burning in Provision for assured reforestation 
BHOMVOUPIAS HI GY DOl 2. =. = 20 through seed trees or planting_____---- 
Slash disposal in the fog belt________- 22 Leaving adequate seed trees_--_----- 
Need Supply sn. 8 4-2 Fe Se 23 Planting the failed areas____--_- meee 
Treatment of the new forest crop after Reclaiming denuded lands by planting -- 
Chega ole ae 2 ae Se ee ee ee eee 24 Control of mixture of species in the new 
IPEQveChLONInOnapirers= = se 24 GEO D Seek = oh, 22 OU) eee eee 
Grazing of reforesting, logged-off land_ 24 Thinning the growing crop..-.----------- 
INTRODUCTION 
By Tuornton T. Munasr, Director Pacific Northwest Forest Experiment Station, 
Forest Service 
Page 
Forestry in the United States is no longer merely a theory or a 
subject for discussion; it has gotten down to concrete things in the 
woods. 
gradually making headway on land in private ownership. 
Nor is the growing of timber confined to public lands; it is 
it.1s 
becoming an art of land management, expressed in practical measures 
for protecting forest growth from fire and other destructive agencies, 
42641°—27——i 
