Introduction, 1 Alterative Uses of Natural Environments: The economics of Alternative Modification 2 The Effect of Technological change on different Uses of Environmental resources, A strategy for the definition and management of wilderness quality 4 Determination if Optimal capacity or resource-based Recreation Facilities 5 A Multivariate Statistical Analysis of Wilderness Users in the United States 6 A Preliminary Investigation of the Economics of Migratory Waterfowl 7 A Quantitative Approach to the Classification of Inland Water 8 Aesthetic Dimensions of the Landscape 9 Appraising the Objectivity of Landscape Dimensions