Norman P. Worthington

Born 1903-01-01

Identifiers

Open LibraryOL4928304A

Top Subjects

Red alder (3)
Douglas fir -- Thinning -- Washington (State) -- Grays Harbor County (2)
Pacific Northwest (1)
Douglas fir -- Thinning -- Washington (State) -- Pierce County (1)
Forest management -- Washington (State) -- Pierce County (1)
Forest thinning -- Oregon -- Washington (State) -- Pierce County (1)
Douglas fir (1)

Books by Norman P. Worthington

Total count: 9

Silvical characteristics of red alder

Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture, Forest Service1957-01-01
Normal yield tables for red alder

Pacific Northwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture1960-01-01
Cost of thinning 50-year-old Douglas-fir for pulpwood at Voight Creek experimental forest

Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture, Forest Service1961-01-01
Red alderits management and utilization

U.S. Dept of Agriculture, Forest Service1962-01-01
Thirteen years of thinning in a Douglas-fir woodland

Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture1963-01-01
Light thinning of Douglas-fir does not stimulate regeneration

Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture1964-01-01
Economic considerations in management of Douglas-fir growing stocka case study

Pacific Northwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture1964-01-01
Labor requirements in thinning Douglas-fir and western hemlock on two experimental forests in western Washington

Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture1966-01-01
Response to thinning 60-year-old Douglas-fir

Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture1966-01-01