1. Preliminary geologic map of the western and southern parts of the Byers Peak, the northwestern part of the Loveland Pass, and the eastern part of the Ute Peak 7 1/2 minute quadrangles, Clear Creek and Grand Counties, Colorado [cartographic material] Yale Public content 1984. 2023-08-28T19:20:07Z. 2023-08-29T03:02:39Z. Eppinger, R. G. U.S. Geological Survey. English. cartographic image. Public. Colorado, Clear Creek County, Grand County, Clear Creek County., and Grand County.