Lincoln, member of committee of ten, writes open letter to "People of Sangamon County" appealing for subscriptions to stock of projected railroad, Springfield to Alton. His name heads list of signers. Letter is published in Sangamo Journal on July 6, 1847, in Register on July 9, 1847.Open Letter on Springfield and Alton Railroad, 30 June 1847, CW, 1:395-98.