The Puzzle Mine workings in Illinois Gulch (Illinois Park), southeast of Breckenridge, Colorado. The small railroad trestle or bridge uphill from the mine was located between Hookeye Curve and the Gold Pan trestle.

Looking southeast from Barney Ford Hill over Illinois Park where Iron Springs, Puzzle Mine, Ouray Mine and the Germania Mine and Mill were located. Railway went around Hook Eye Curve with sidings to some of the mines. Near Breckenridge, Colorado. Abbreviated title taken from handwritten caption on card mount: "View from Niggerhill showing Illinois park and railway, 500ft below."