1. Holyoke, Phillips County, Colorado [insurance map] [cartographic material] Yale Public content 1904. 2016-12-16T15:26:28Z. 2017-05-30T21:06:11Z. Sanborn Map Company. Sanborn Map Co. English. cartographic image. Public. Colorado, Holyoke, Holyoke (Colo.), and Holyoke.