The San Joaquin River and its complex hydrology dominate this portion of the Central Valley in Merced County. Large land masses bounded by water define the geography, including San Luis Island, Turner Island, and Circle Island. This landscape is heavily managed for water distribution, characterized by a dense network of man-made and natural channels such as the Fremont Canal, Salt Slough Island Canal, and the Circle Island Drain. The presence of the San Luis Ranch and roads like Corral Rd and Hereford Rd indicate a region dedicated to large-scale ranching and agriculture within the San Joaquin Valley. Recreational or conservation access is evident through the network of established paths, including the Chester Marsh Trail, Sousa Trail, and Winton Marsh Trail, which navigate the wetlands near Big Buttonwillow Lake.
29 named features on this map. Tap any name to fly to it.
Don’t see what you’re looking for? This feature index may not catch every label — zoom into the map to look around manually.
This is the sole edition of this map. No revisions or reprints were ever made.
1916 · Delta Ranch
USGS Topo · 1:24,000
1918 · Arena
USGS Topo · 1:31,680
1918 · Stevinson
USGS Topo · 1:31,680
1918 · Gustine
USGS Topo · 1:31,680
1918 · Turner Ranch
USGS Topo · 1:31,680
1919 · San Luis Ranch
USGS Topo · 1:31,680
1919 · Ingomar
USGS Topo · 1:31,680
1921 · Volta
USGS Topo · 1:31,680
1921 · Los Banos
USGS Topo · 1:31,680
1922 · Delta Ranch
USGS Topo · 1:31,680