He was sent to Labrador in 1860 to observe an eclipse of the sun; in 1862 he worked on the reduction of Gilliss's observations of stars in the Southern Hemisphere, and in 1863 he supervised the publication of maps and charts of the United States Coast Survey. He was elected as an Associate Fellow of the American Academy of Arts and Sciences in 1860; as president of the American Association for the Advancement of Science in 1866, as a member of the Board of Experts of the American Bureau of Mines in 1865, and as a member of the American Institute in 1872."The American Bureau of Mines—The Organization Complete," The New York Times, January 31, 1866, p. 4. He also gained membership in the American Philosophical Society in 1871.
He was sent to Labrador in 1860 to observe an eclipse of the sun; in 1862 he worked on the reduction of Gilliss's observations of stars in the Southern Hemisphere and in 1863 he supervised the publication of maps and charts of the United States Coast Survey. He was elected as an Associate Fellow of the American Academy of Arts and Sciences in 1860; as president of the American Association for the Advancement of Science in 1866, as a member of the Board of Experts of the American Bureau of Mines in 1865 and as a member of the American Institute in 1872"The American Bureau of Mines—The Organization Complete," The New York Times, January 31, 1866, p. 4. He also gained membership in the American Philosophical Society in 1871.