Search Results       Your search for [subject]Nature conservation -- Economic aspects -- United States -- Congresses returned 1 record.           Natural environents : studies in theoretical and applied analysis. Baltimore: Resources for the Future by Johns Hopkins Press University Press, 1972. Subject: Nature conservation -- Economic aspects -- United States -- Congresses; Wilderness areas -- United States -- Congresses; Environment policy -- United States.          Add to Book Cart Relevance: 29.07%