Characteristics of Supply and Demand in Outdoor Recreation. Hugh A. Johnson. Agricultural Econornacs Research,Vol. 22,January 1970,pp. 18-23. ERS,U.S. Department of Agriculture,Washington,D.C. Order from Government Printing Office,Washington,D C. 20402. $1.50 a year,40c a copy

Characteristics of Supply and Demand in Outdoor Recreation. Hugh A. Johnson. Agricultural Econornacs Research,Vol. 22,January 1970,pp. 18-23. ERS,U.S. Department of Agriculture,Washington,D.C. Order from Government Printing Office,Washington,D C. 20402. $1.50 a year,40c a copy