mother lode

Despite California’s sapphire tilt, the state’s donors are the mother lode of campaign cash for both parties.

But it could be a mother lode for small and large local news outlets, providing $500 million a year to preserve and grow local newsrooms.

But for a noir of isolation and concealment, about how the past can often feel inescapable, these shadowy dugouts — Travis’ motel, a church and one character’s lonely lair — are an atmospheric mother lode.

Two-thousand-five-hundred miles west of Dodger Stadium was a mother lode of Dodgers memorabilia.

The encyclopedia was crucial not only because it’s free and accessible, but also because it contains a mother lode of facts and so much of its material is consistently formatted.