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Environmental quality in a growing economy : [this book is based on papers given at the 1966 RFF Forum on Environmental Quality held in Washington, March 8 and 9]
Jarrett, Henry, (1971)
Small business opportunities in outdoor recreation and tourism : Hearings, Ninety-third Congress, second session
(1974)
A study of the vacation and recreation industry in North Dakota to determine opportunities for small business
Torkelson, David R., (1963)