Geological Survey Water-supply Paper
10 Mar. 15, 1971 +21.60 May 23, 1972 +22.60 Sept. 17, 1973 +23. 10 Feb. 17 20. ... 31 23. 40 Nov. 23 25.00 Feb. ... 15 16. 20 June 23 14.00 Oct. 3 13.50 Dec.
更多資訊〈Water Resources Data for Alabama - 第 119 頁 - Google 圖書結果〉
更多資訊〈Planetary, Lunar, and Solar Positions, 601 B.C. to A.D. 1, ...〉