Physical description for original version: 34 p. : 28 cm
書誌注記
Bibliography: p. 33-34
原資料等に関する注記
原資料の出版事項: Washington, D.C. : U.S. Dept. of the Interior, National Park Service, Preservation Assistance Division, Technical Preservation Services : For sale by the Supt. of Docs., U.S. G.P.O., [1988?]