Timothy O'Sullivan (American, born Ireland, 1840–1882)
Alpine Lake, in the Cerro Blanco Mountains, Colorado. One of a group of ten lakes at the main head of Ute Creek. 11.000 feet above sea-level. Cerro Blanco Peak rises 14.269 feet abov the sea, lying to the westward, No. 45 from the series "Geographical Explorations and Surveys West of the 100th Meridian"
