Born-Digital or AnalogAnalogTranscriptU.S. surveys. Colorado Mayor Powell's expedition to canon of Colorado . river. R.M.News.Sept.18,1873 p.2 c.3 Hayden's expedition into Middle park. R.M.News.9ept.13,1873 p.2 c.2 R.M.News.Sept.17,1873 p.2 c.1 Hayden's San Luis divisions finish survey..3 R.M.News.Oct.7,1873 p.4 c.1 Geographer of Hayden's survey writes article on Colo. mountain peaks. R.M.News.Oct.1611873 p.2 c.1CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
