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Authors (1-14 of 14)
Curtis Robert O
1
E-Book/E-Doc
 

Development of top heights and corresponding diameters in high-elevation noble fir plantations


Curtis, Robert O., author.
Portland, OR : United States Department of Agriculture, Forest Service, Pacific Northwest Research Station, [2015] 2015

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Location Call No. OPAC Message Status
 Axe Federal Documents Online  A 13.78:PNW-RP-603    ---  Available
2
E-Book/E-Doc
 

Levels-of-growing-stock cooperative study in Douglas-fir report no. 14-Stampede Creek, 30-year resul


Curtis, Robert O.
Portland, OR : U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, [2002] 2002

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Location Call No. OPAC Message Status
 Axe Federal Documents Online  A 13.78:PNW-RP-543    ---  Available
3
E-Book/E-Doc
 

Levels-of-growing-stock cooperative study in Douglas-fir


Marshall, David D.
Portland, Or. (333 S.W. First Ave., P.O.Box 3890, Portland 97208) : U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, [2002] 2002

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Location Call No. OPAC Message Status
 Axe Federal Documents Online  A 13.78:PNW-RP-537    ---  Available
4
E-Book/E-Doc
 

Levels-of-growing-stock cooperative study in Douglas-fir report no. 18-Rocky Brook, 1963-2006


Curtis, Robert O.
Portland, OR : U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, [2009] 2009

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Location Call No. OPAC Message Status
 Axe Federal Documents Online  A 13.78:PNW-RP-578    ---  Available
5
E-Book/E-Doc
 

Levels-of-growing-stock cooperative study in Douglas-fir report no. 19--the Iron Creek study, 1966-2


Curtis, Robert O.
Portland, OR : United States Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, [2009] 2009

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Location Call No. OPAC Message Status
 Axe Federal Documents Online  A 13.78:PNW-RP-580    ---  Available
6
E-Book/E-Doc
 

Permanent-plot procedures for silvicultural and yield research


Curtis, Robert O.
Portland, OR : U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, [2005] 2005

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Location Call No. OPAC Message Status
 Axe Federal Documents Online  A 13.88:PNW-GTR-634    ---  Available
7
E-Book/E-Doc
 

Procedures for establishing and maintaining permanent plots for silvicultural and yield research


Curtis, Robert O.
[Portland, Or.] : U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, [1983] 1983

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Location Call No. OPAC Message Status
 Axe Federal Documents Online  A 13.88:PNW-155    ---  Available
8
E-Book/E-Doc
 

Relation of initial spacing and relative stand density indices to stand characteristics in a Douglas


Curtis, Robert O., author.
Portland, OR : U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station, 2016. 2016

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Location Call No. OPAC Message Status
 Axe Federal Documents Online  A 13.78:PNW-RP-607    ---  Available
9
E-Book/E-Doc
 

Silvicultural options for young-growth Douglas-fir forests the Capitol Forest study--establishment a



Portland, Or. : U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, [2004] 2004

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Location Call No. OPAC Message Status
 Axe Federal Documents Online  A 13.88:PNW-GTR-598    ---  Available
10
E-Book/E-Doc
 

Silvicultural research and the evolution of forest practices in the Douglas-fir region



Portland, OR : U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, [2007] 2007

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Location Call No. OPAC Message Status
 Axe Federal Documents Online  A 13.88:PNW-GTR-696    ---  Available
11
E-Book/E-Doc
 

Silviculture for multiple objectives in the Douglas-fir region



Portland, Or. : U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, [1998] 1998

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Location Call No. OPAC Message Status
 Axe Federal Documents Online  A 13.88:PNW-GTR-435    ---  Available
12
E-Book/E-Doc
 

True fir-hemlock spacing trials design and first results


Curtis, Robert O.
[Washington, D.C.] : U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, [2000] 2000

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Location Call No. OPAC Message Status
 Axe Federal Documents Online  A 13.88:PNW-GTR-492    ---  Available
13
E-Book/E-Doc
 

True fir spacing and yield trials 20-year update


Curtis, Robert O., author.
Portland, OR : United States Department of Agriculture, Forest Service, Pacific Northwest Research Station, 2013. 2013

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Location Call No. OPAC Message Status
 Axe Federal Documents Online  A 13.78:PNW-RP-590    ---  Available
14
E-Book/E-Doc
 

True fir spacing trials 10-year results


Curtis, Robert O.
[Portland, Or.] : U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, [2008] 2008

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Copies

Location Call No. OPAC Message Status
 Axe Federal Documents Online  A 13.88:PNW-GTR-749    ---  Available
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