In search of a California dividing line, where Giantslandia starts

A Skeleton Map of the State of California Exhibiting The U.S. Township and Range Lines, and Boundaries of U.S. Land Districts The County Seats and the Lines of equal variations of the

Morning Lookout: Yummy gifts, comics, Omicron and an MLB lockout - Lookout Local Santa Cruz

The curiously lopsided population of California

Where Does Southern California Stop and Northern California Start? - Bay Area Telegraph

Six ways to divide California Map, American history timeline, Funny maps

Where do Californians draw the line between Northern and Southern California? Is this more physical (land) or cultural (people)? - Quora

Seafloor Faults off Southern California

Tracking California's sinking coast from space: Implications for relative sea-level rise

What is the dividing line or geographical feature between Northern and Southern California? - Quora

Beyond San Andreas: Hidden Sea Faults Threaten Giant California Quakes - Scientific American