PT - JOURNAL ARTICLE AU - Schott, Charles A. TI - The present annual effect of the secular change of the magnetic declination in the eastern part of the United States, accompanied by a chart AID - 10.2475/ajs.s2-41.122.149 DP - 1866 Mar 01 TA - American Journal of Science PG - 149--150 VI - s2-41 IP - 122 4099 - http://www.ajsonline.org/content/s2-41/122/149.short 4100 - http://www.ajsonline.org/content/s2-41/122/149.full SO - Am J Sci1866 Mar 01; s2-41