This is a map of Chevy Chase, Section 2, near the District. It dates from 1890 and we dug this up at the Library of Congress.

Cadastral map of planned residential subdivisions in what is now the inc. town of Chevy Chase Village (Montgomery County, Md.).
Cadastral map of planned residential subdivisions in what is now the inc. town of Chevy Chase Village (Montgomery County, Md.).