1. Glenwood Springs, Garfield County, Colorado [insurance map] [cartographic material] Yale Public content 1919. 2016-12-14T20:52:17Z. 2017-05-30T21:06:10Z. Sanborn Map Company. Sanborn Map Co. English. cartographic image. Public. Colorado, Glenwood Springs, Glenwood Springs (Colo.), and Glenwood Springs.