Tracy, CA Manganese Mines

Mine	Owner	Land Status	Work Type	Minerals
Bartlett	P And J. P.Connolly			Manganese
Bartlett Mine	J. Taylor And Co.			Manganese
Callahan		Unknown		Manganese
Chaney Winship-Doak, Winship-Donovan	Frank J. Rodriguez	Private		Manganese
Cracker Prospect				Manganese
Crocker Prospect	M. I Crocker			Manganese
Cummings	Naftzger,R. E.,9601 Wilshire Blvd.,Suite 226,Bev. Hills,Ca	Private		Manganese
Cummings Mine				Manganese
Cummings Mine		Unknown		Manganese
Fabian Mine				Manganese
Fabian Mine	E. L. Lake Et. Al	Private		Manganese
Gallagher Deposit				Manganese
Hearst	J. W. Hearst			Manganese
Hearst Mine	Jw Hearst			Manganese
Ladd Mine				Manganese
Ladd Mine				Manganese
Ladd Mine				Manganese
Ladd Mine	E. L. Lake Et. Al	Private	Underground	Manganese
Livermore Deposit				Manganese
Livermore Deposit		Private		Manganese
Mahoney				Manganese
Mahoney 1 Mine	Harold B. Frybarger Et. Al	Private		Manganese
Mendenhall Mine	F. J. Rodriguez	Private		Manganese
Mendenhall Mine		Private		Manganese
Scott Prospect				Manganese
Scott Prospect	Charles Scott			Manganese
Unnamed Prospect		Unknown		Manganese
Winship Properties	K. D. Winship ; J. P. Donovan			Manganese
Winship Properties	K. D. Winship			Manganese
Winship Properties		Private		Manganese
Winship Properties		Private		Manganese
Winship-Doak		Unknown		Manganese