Map of Pioneer Group of mining claims and conflicting mining locations in the Paymaster Mining District Imperial County California / John F. Duling, Consult. Engr. of Mines, Los Angeles, Calif
Description
No old shelf mark. A map showing claims located by T.R. Adams bordered in red and conflicting claims made by Thos. E. Rochester & C.J. Dean bordered in blue. A map undoubtedly made as part of a lawsuit. South of Blythe. Prime meridian: GM. Relief: hachures. Graphic Scale: Feet. Projection: Plane. Printing Process: Blue line print.