Published September 1961. 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
Published September 1961. 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
A number of different systems have been used to estimate boater use over the 1990-2001 period, making it difficult to trace the source of discrepancies in the final estimates. For example, the boater passes have changed over the years.
From 1990-92, boaters would simply check off the river segments they...