Physical description for original version: 1 folded sheet (8 p.) : 23 x 10 cm
原資料等に関する注記
原資料の出版事項: Broomall, PA ; Washington, D.C. : U.S. Dept. of Agriculture, Forest Service, Northeastern Forest Experiment Station : For sale by Supt. of Docs., [U.S. G.P.O.], 1984