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Filtering by: Creator Dilworth, J. R. (John Richard), 1914-

Aerial photo-mensuration tables

Creator:

Dilworth, J. R. (John Richard), 1914-

Abstract:

Aerial photo cruising that can be accomplished quickly, cheaply and with a satisfactory degree of accuracy has been the goal of many forest mensurationists throughout the world. As early as 1925, photo cruising was accomplished successfully by Professor R. Hugershoff and his associates in Germany. The development of this technique...

Resource Type:

Technical Report
Growth of western hemlock stands after precommercial thinning

Creator:

Dilworth, J. R. (John Richard), 1914- and Oregon State University. Forest Research Laboratory

Abstract:

Young western hemlock stands in the Coast Range of Oregon will contribute to the commercial timber supply of the region in the future, the extent of the contribution depending on environmental and cultural factors. The relative diameter and volume growth of crop-trees in the stands will be increased substantially by...

Resource Type:

Technical Report