To the south of the Derry Ranch sits Twin Lakes and a pay for use area on Dennis O'Neal's property.  It runs along the corner of highways 91 and 24, south of the Hayden Ranch along the Arkansas River, and about about a half mile along Lake Creek.  It has been customary for years to leave the fee of $1.00 a day for panning in his designated panning areas and $5.00 a day for motorized equipment in other designated areas in the first mailbox on the first road into housing on the road to Independence Pass, and mining is allowed here ONLY in designated areas.  His property also carries a sign with some information on it where Lake Creek empties into the Arkansas River.   Be sure to adhere to all of Mr. O'Neal's requirements as he is VERY protective of his property, and has been known to be a bit sharp with people.

Many of these mines trucked or trammed all of their ores to milling sites either on site or down valley.  The slopes on some of these mines are astonishingly steep.  On the Twin Lakes side of Independence Pass at the base of the mountain, there was a mill that served the mines in that area, and on the eastern side of the mountain, the Champion Mill still stands (Leans) on the Theodolite mine site it served, in that valley just as the floor loses its' steepness. Further, the area above Twin Lakes indicates that the glacier that was in that area scoured the placer gold out of the canyon and left little behind, dropping it below and leaving the steep canyon walls.  Some of it found its' way to Cache Creek in one of the glacial moraine overlays there.