Abert, John James (Col.) Life sketched. Missouri Hist.Soc.Bulletin. v.3. no-3. April,1952. pp.272-275. Letters from the 1st official geologist to Co1.J.J. Abert. Missouri Hist.Soc.Bulletin. v.6. no.^. Apri1,1952. pp.271-291. Chief of Topographic Bureau will head expedition to Great Salt Lake. M NYT Scrapbook v.1 p,19 Manuscript 40