Map of the Patuxent and St. Mary's Rivers Maryland From Surveys by Major J. J. Abert Top Eng and Maj J. Kearney Top Eng in 1824 (1857) - 1857 - Two sheets. Bottom two-thirds of full map (MAP 045). Negative image. Copy from NARA 17" x 24"

Shows water depths, and some land features including dwellings and owner's names.