Search Results       Your search for [subject]Rivers -- Recreational use -- Congresses returned 1 record.           Proceedings : river recreation management and research symposium, January 24-27, 1977. Minnesota: US Department of Agriculture, 1977. Subject: Rivers -- Recreational use -- Congresses; Rivers -- Environmental aspects -- Congresses; Recreation areas -- Environmental aspects -- Congresses; Water resources development -- Environmental aspects -- Congresses.          Add to Book Cart Relevance: 25.77%