Two intermediate cuttings were made in a Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco) stand on the Wilark forest management research area in northwestern Oregon. Age of trees in the stand varied from 47 to 62 years at the first cutting. Crawler tractors were used in both extractions. In the first cutting,...
The purpose of this study is to measure the costs of
the perceived safety threat from triple trailer operation
in Oregon. This is done using the political referendum
model of a common non-market valuation technique,
contingent valuation. Specifically, the average cost of
allowing triples will be found so that comparison...
Published April 1965. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog