United States--Politics and government--20th century
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18SO CONGRESSIONAL RECORD- SEN .ATE February 18, 1970
He has taken the lead with a meesage
wt promlsea Americana the r:na.t mu-.
ve cleanup job In history-the Job of
eanlng up our air, cleaning up our
ater, cleaning up the waste...
Wilderness areas -- United States -- Recreational use -- Statistics. ; <br> Wilderness area users -- United States -- Statistics. ; <br> Boundary Waters Canoe Area (Minn.) ; <br> Shining Rock Wilderness (N. C.) ; <br>...
Changes in wilderness visitors were studied over 12- to 21-year periods in the Boundary Waters Canoe Area, MN, Shining Rock, NC, and Desolation, CA. Only five of the 83 variables assessed changed consistently in all wildernesses. Visitor age and...