| United States - Historic sites - 1933 - 566 pages
...primarily by the forces of nature, with the imprint of man's work substantially unnoticeable : (2) has outstanding opportunities for solitude or a primitive and unconfined type of recreation; (3) has at least five thousand acres of land or is of sufficient size as to make practicable its preservation... | |
| Land use - 1976 - 352 pages
...the forces of nature, with the imprint of man's work substantially unnoticeable, 4. an area that has outstanding opportunities for solitude or a primitive and unconfined type of recreation, 5. an area that has at least five thousand acres of land, or is of sufficient size to make practicable... | |
| United States. Congress. House. Committee on Interior and Insular Affairs - 1961 - 1320 pages
...fortunate few having ample time, an abundance of money, and the desire, and are able to avail themselves of the "outstanding opportunities for solitude or a primitive and unconfined type of recreation" in an area "of sufficient size as to make practicable its preservation and use in an unimpaired condition."... | |
| United States. North Cascades Study Team - Cascade Range - 1965 - 208 pages
...primarily by the forces of nature, with the imprint of man's work substantially unnoticeable ; (2) has outstanding opportunities for solitude or a primitive and unconfined type of recreation; (3) has at least 5,000 acres of land or is of sufficient size as to make practicable its preservation... | |
| United States. Congress. House. Committee on Interior and Insular Affairs - 1966 - 568 pages
...primarily by the forces of nature, with the imprint of man's work substantially unnoticeable ; (2) has outstanding opportunities for solitude or a primitive and unconfined type of recreation; (3) has at least five thousand acres of land or is of sufficient size as to make practicable its preservation... | |
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