Yamcolo Reservoir, Garfield County, Colorado Water conservation -- Colorado. 40.05130115 -107.0554492 Garfield Colorado USA http://sws.geonames.org/5583626/about.rdf geoNames Map yes yes https://steamboatlibrary.marmot.org/GroupedWork/b56b5379-f7e9-11b5-53aa-7c0965ce658eBook:"The hiking and camping guide to the Flat Tops Wilderness" Flat Tops Wilderness (Colo.)Fly fishing -- Colorado -- Flat Tops Wilderness.