Select a link below to view the bathymetric change grid as well as the bathymetry grids for each time period.

1867 to 1887
From 1867 to 1887, Suisun Bay was filling with debris from hydraulic mining.

1887 to 1922
From1887 to 1922, Suisun Bay was erosional, in large part due to the cessation of hydraulic mining.

1922 to 1942
From 1922 to 1942, Suisun Bay was erosional and the erosion rate doubled.

1942 to 1990
From 1942 to 1990, Suisun bay was erosional, but the rate of erosion was not as high as in the previous time period.