PT - JOURNAL ARTICLE AU - William Francis Hillebrand AU - E. S. Dana TI - Additional notes on the tyrolite from Utah AID - 10.2475/ajs.s3-39.232.271 DP - 1890 Apr 01 TA - American Journal of Science PG - 271--273 VI - s3-39 IP - 232 4099 - http://www.ajsonline.org/content/s3-39/232/271.short 4100 - http://www.ajsonline.org/content/s3-39/232/271.full SO - Am J Sci1890 Apr 01; s3-39