Volume 15, no. 4, p. 564-594, 2002. Page 573, column 2, line 15 from bottom: “5,000” should read “50,000.”
Page 582, Fig. 2: the first “1990” on the horizontal axis should read “1900.”
Page 585, column 1, line 27: “1996” should read “1966.”
Volume 15, no. 4, p. 564-594, 2002. Page 573, column 2, line 15 from bottom: “5,000” should read “50,000.”
Page 582, Fig. 2: the first “1990” on the horizontal axis should read “1900.”
Page 585, column 1, line 27: “1996” should read “1966.”