PT - JOURNAL ARTICLE AU - David M. Balch TI - On orthite from Swampscott, Massachusetts AID - 10.2475/ajs.s2-33.99.348 DP - 1862 May 01 TA - American Journal of Science PG - 348--351 VI - s2-33 IP - 99 4099 - http://www.ajsonline.org/content/s2-33/99/348.short 4100 - http://www.ajsonline.org/content/s2-33/99/348.full SO - Am J Sci1862 May 01; s2-33