 January 31, February 28, March 31, April 30, May 31, June 30, July 31, August 31, September 30, October 31, November 30, December 31.  Arithmetic. [With] Key - Seite 8von Robert Goodacre - 1839Vollansicht - Über dieses Buch
 | 1958
...53 56 62 65 66 67 64 62 69 62 47 February 28 .. 50 51 50 56 58 63 61 56 50 42 39 March 31 April 30 May 31. . June 30. July 31 August 31 September 30 . October 31 N'ovember SO . . December 31 PRICES TABLE 56. — Average value per ton, fob mines, of bituminous coal and lignite... | |
 | 1977
...77,439 89,213 105,738 94,695 105,947 77,235 91,917 80,553 67,992 Febru8ry 28 M8rch 31 April 30 M8y 31 June 30 July 31 August 31 September 30 October 31 NoVember 30 December 31 National Oceanic and Atmospheric Administration NATIONAL MARINE FISHERIES SERVICE W8shington.... | |
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