PT - JOURNAL ARTICLE AU - G. K. Gilbert TI - The work of the International Congress of Geologists AID - 10.2475/ajs.s3-34.204.430 DP - 1887 Dec 01 TA - American Journal of Science PG - 430--451 VI - s3-34 IP - 204 4099 - http://www.ajsonline.org/content/s3-34/204/430.short 4100 - http://www.ajsonline.org/content/s3-34/204/430.full SO - Am J Sci1887 Dec 01; s3-34