Baist's real estate atlas of surveys of Washington, District of Columbia : complete in four volumes.

ID: 5509 ~ Source: Baist, G. Wm, Wm. E Baist, and H. V Baist. Baist's real estate atlas of surveys of Washington, District of Columbia: complete in four volumes. [Philadelphia: G.W. Baist, to 1921, 1919] Map. https://www.loc.gov/item/map40000002/. ~ Creator: Philadelphia : [G.W. Baist], 1919-1921. ~ Date: 1919.

This file appears in: United States Naval Observatory (USNO) Historic District: The USNO is the only American institution devoted to positional astronomy and timekeeping.

Baist Real Estate Atlas showing the grounds of the U.S. Naval Observatory in 1919.

This file appears in: United States Naval Observatory (USNO) Historic District: The USNO is the only American institution devoted to positional astronomy and timekeeping.

United States Naval Observatory (USNO) Historic District: The USNO is the only American institution devoted to positional astronomy and timekeeping.

By The DC Historic Sites team

The United States Naval Observatory (USNO) Historic District is encompassed by Observatory Circle and Massachusetts Avenue NW, and corresponds to a period of significance dating from 1887 to 1973. The…