How do you count visitors on 26,000 square miles of Alaskan forest?

Alaska Public Media

Published May 6, 2008 at 10:17 PM AKDT

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The U.S. Forest Service is midway through a multi-year study to determine how many people visit the nation's forests and what they do once they get there. In the Tongass -- the nation's largest forest -- this seemingly straightforward work is complicated by the fact that there is not a single turnstile or ticket booth on any of its 17 million acres.Robert Woolsey, KCAW - Sitka