THE DATA OF GEOCHEMISTRY; GEOLOGICAL SURVEY BULLETIN 770
Washington, DC: United States Geological Survey/USGS/Government Printing Office/GPO, 1924. Fifth edition. Hardcover. As of the publication date in the crust of the earth there were about eighty chemical elements recognized. 841 pages with numerous tables and index. Signature of Olaf P. Jenkins on the title page. Privately bound in hardcover..... More