1872 map of Lake Merced showing the Ocean House Race Course and Lake House, which is at the juncture of Lake Merced and the East-West road.
File:Sfsuingl$lake-house-1870.jpg
Lake House in 1870.
Photos and map: Greg Gaar Collection, San Francisco, CA
Lake Merced in undeveloped landscape, far from nearby roads, c. 1900s.