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Robert O. Curtis
39 books found
Books by Robert O. Curtis
Levels-of-growing-stock cooperative study in Douglas-fir
Robert O. Curtis
⏱ 1h 6m
Levels-of-growing-stock cooperative study in Douglas-fir
Robert O. Curtis
1986
66 pp.
Levels-of-growing-stock cooperative study in Douglas-fir
Robert O Curtis
⏱ 1h 6m
Levels-of-growing-stock cooperative study in Douglas-fir
Robert O Curtis
1986
66 pp.
Permanent-plot procedures for silvicultural and yield research
Robert O. Curtis
⏱ 1h 26m
Permanent-plot procedures for silvicultural and yield research
Robert O. Curtis
2005
86 pp.
True fir-hemlock spacing trials
Robert O. Curtis
⏱ 35m
True fir-hemlock spacing trials
Robert O. Curtis
2000
35 pp.
True fir spacing and yield trials
Robert O. Curtis
⏱ 32m
True fir spacing and yield trials
Robert O. Curtis
2013
32 pp.
Levels-of-growing-stock cooperative study in Douglas-fir
Robert O. Curtis
⏱ 1h 13m
Levels-of-growing-stock cooperative study in Douglas-fir
Robert O. Curtis
1994
73 pp.
A new stand simulator for coast Douglas-fir: DFSIM user's guide
Robert O. Curtis
⏱ 1h 19m
A new stand simulator for coast Douglas-fir: DFSIM user's guide
Robert O. Curtis
1981
79 pp.
A formula for the Douglas-fir total cubic-foot volume table from bulletin 201
Robert O. Curtis
A formula for the Douglas-fir total cubic-foot volume table from bulletin 201
Robert O. Curtis
1966
No page data
True fir-hemlock spacing trials
Robert O Curtis
⏱ 35m
True fir-hemlock spacing trials
Robert O Curtis
2000
35 pp.
Estimating D.B.H. [diameter at breast height] from stump diameters on second-growth Douglas-fir
Robert O. Curtis
Estimating D.B.H. [diameter at breast height] from stump diameters on second-growth Douglas-fir
Robert O. Curtis
1977
No page data
Extended rotations and culmination age of coast Douglas-fir
Robert O. Curtis
⏱ 49m
Extended rotations and culmination age of coast Douglas-fir
Robert O. Curtis
1995
49 pp.
Height growth and site index curves for western white pine in the Cascade Range of Washington and Oregon
Robert O. Curtis
⏱ 14m
Height growth and site index curves for western white pine in the Cascade Range of Washington and Oregon
Robert O. Curtis
1990
14 pp.
A method of estimation of gross yield of Douglas-fir
Robert O. Curtis
⏱ 24m
A method of estimation of gross yield of Douglas-fir
Robert O. Curtis
1967
24 pp.
Some simulation estimates of mean annual increment of Douglas-fir
Robert O. Curtis
⏱ 27m
Some simulation estimates of mean annual increment of Douglas-fir
Robert O. Curtis
1994
27 pp.
Volume and taper tables for red alder
Robert O. Curtis
⏱ 35m
Volume and taper tables for red alder
Robert O. Curtis
1968
35 pp.
Silvicultural research and the evolution of forest practices in the Douglas-fir region
Robert O. Curtis
⏱ 2h 52m
Silvicultural research and the evolution of forest practices in the Douglas-fir region
Robert O. Curtis
2007
172 pp.
True fir spacing trials
Robert O. Curtis
⏱ 36m
True fir spacing trials
Robert O. Curtis
2008
36 pp.
True fir spacing trials
Robert O. Curtis
⏱ 36m
True fir spacing trials
Robert O. Curtis
2008
36 pp.
Levels-of-growing-stock cooperative study in Douglas-fir
Robert O. Curtis
⏱ 1h 18m
Levels-of-growing-stock cooperative study in Douglas-fir
Robert O. Curtis
2009
78 pp.
Levels-of-growing-stock cooperative study in Douglas-fir
Robert O. Curtis
⏱ 1h 18m
Levels-of-growing-stock cooperative study in Douglas-fir
Robert O. Curtis
2009
78 pp.