Yazar
Dale R Waddell
3 cilt bulundu.
Cilt sonuçları
Estimating tree bole and log weights from green densities measured with the Bergstrom xylodensimeter
Dale R Waddell · U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station
18 sayfa · 1984
Density / Wood / Densitometry
Estimating the weight of Douglas-fir tree boles and logs with an iterative computer model
Dale R Waddell · U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station
20 sayfa · 1987
Douglas fir / Weight / Mathematical models / Data processing
Estimating load weights with Huber's cubic volume formula
Dale R Waddell · U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station
11 sayfa · 1989
Aerial Logging / Log transportation / Logging, Aerial / Mathematical models / Timber