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Norman P. Worthington

1903

11 books found

Books by Norman P. Worthington
Response to thinning 60-year-old Douglas-firNorman P. Worthington

Response to thinning 60-year-old Douglas-fir

Norman P. Worthington

1966No page data
Cost of thinning 50-year-old Douglas-fir for pulpwood at Voight Creek experimental forestNorman P. Worthington

Cost of thinning 50-year-old Douglas-fir for pulpwood at Voight Creek experimental forest

Norman P. Worthington

1961No page data
Red alderNorman P. Worthington
⏱ 44m

Red alder

Norman P. Worthington

196244 pp.
Silvical characteristics of red alderNorman P. Worthington
⏱ 15m

Silvical characteristics of red alder

Norman P. Worthington

195715 pp.
Economic considerations in management of Douglas-fir growing stockNorman P. Worthington
⏱ 17m

Economic considerations in management of Douglas-fir growing stock

Norman P. Worthington

196417 pp.
Light thinning of Douglas-fir does not stimulate regenerationNorman P. Worthington

Light thinning of Douglas-fir does not stimulate regeneration

Norman P. Worthington

1964No page data
Thirteen years of thinning in a Douglas-fir woodlandNorman P. Worthington

Thirteen years of thinning in a Douglas-fir woodland

Norman P. Worthington

1963No page data
Labor requirements in thinning Douglas-fir and western hemlock on two experimental forests in western WashingtonNorman P. Worthington
⏱ 12m

Labor requirements in thinning Douglas-fir and western hemlock on two experimental forests in western Washington

Norman P. Worthington

12 pp.
Normal yield tables for red alderNorman P. Worthington
⏱ 26m

Normal yield tables for red alder

Norman P. Worthington

196026 pp.
Response to thinning 60-year-old Douglas-firNorman P. Worthington

Response to thinning 60-year-old Douglas-fir

Norman P. Worthington

No page data
Labor requirements in thinning Douglas-fir and western hemlock on two experimental forests in western WashingtonNorman P. Worthington
⏱ 12m

Labor requirements in thinning Douglas-fir and western hemlock on two experimental forests in western Washington

Norman P. Worthington

196612 pp.