PT - JOURNAL ARTICLE AU - Sheppard, G. TI - Geological observations on Isla de la Plata, Ecuador AID - 10.2475/ajs.s5-13.78.480 DP - 1927 Jun 01 TA - American Journal of Science PG - 480--486 VI - s5-13 IP - 78 4099 - http://www.ajsonline.org/content/s5-13/78/480.short 4100 - http://www.ajsonline.org/content/s5-13/78/480.full SO - Am J Sci1927 Jun 01; s5-13