Zones of stars observed at the United States Naval Observatory with the mural circle in the years 1846, 1847, 1848, and 1849
By: by J. H. C. Coffin, T. J. Page, Charles Steedman.
Contributors: Coffin, J. H. C. 1815-1890.; Page, Thomas Jefferson, 1808-1899.; Steedman, Charles, 1811-1890.
Publisher: Govt. Print. Off.
Published: 1872
Place of publication: Washington
Other titles: Washington zones, 1846-1849.