The structures of the MFTB are exposed by to later generally East-West trending large-scale crustal extension in the Miocene, through what is known to geologists as the Colorado River Extensional Corridor.
Rocky Mountains | Rainer Maria Rilke | Carpathian Mountains | Appalachian Mountains | Carl Maria von Weber | Santa Maria | Blue Ridge Mountains | Maria Callas | Catskill Mountains | Ural Mountains | Snowy Mountains Scheme | Santa Maria Capua Vetere | Maria | San Gabriel Mountains | Maria Theresa | Henrietta Maria of France | José María Aznar | Black Mountains | Maria Muldaur | Maria Bethânia | San Bernardino Mountains | Ore Mountains | Jura Mountains | Caucasus Mountains | Carlo Maria Giulini | Basilica di Santa Maria Maggiore | Ave Maria | Tatra Mountains | Santa Maria, Bulacan | Maria Theresa of Austria |
In 1914, the California Southern Railroad (not to be confused with the earlier railroad linking Barstow and San Diego) was incorporated to build 42.2 miles from a point known as Blythe Junction (Rice) to reach Blythe via a passage between the Big Maria Mountains and the Little Maria Mountains.