The Encyclopedia Americana (1920)/Lord, Edwin Chesley Estes

LORD, Edwin Chesley Estes, American geologist and petrographer: b. Brooklyn, N. Y., 7 May 1868. Educated in the public schools of New York City and in Brunswick and Heidelberg, Germany, and in Harvard University, Cambridge. Received the degrees of Ph.D. (Heidelberg) and M.S. (Harvard). He served as field assistant in the United States Geological Survey, 1895-97, was professor of Geology and mineralogy in Hamilton College, New York, 1899-1900, Austin Teaching Fellow and assistant in mineralogy and petrography, Harvard University, 1900-01. He was assistant in petrography and chemistry of the United States Department of Agriculture 1901-04, and has been petrographer in the office of public roads and rural engineering of the United States Department of Agriculture since 1904. He has published a geological and petrographical paper on igneous rocks from Bavaria, Germany, Mexico, Texas and Maine, U. S. A., 1894-1900. Since 1900 has published papers on the petrography of rocks for road building, and the relation of mineral composition and rock structure to the

physical properties of road materials, &lsquo;Bulletins 31 and 37,&rsquo; Office of Public Roads, and &lsquo;Bulletin 348,&rsquo; United States Department of Agriculture; and on the mineral composition and utilization of blast furnace and other slags, Proceedings Seventh International Congress of Applied Chemistry, 1909.