TY - GEN AU - Scott,Charles M. TI - Charles M. Scott collection, KW - Clardy, Martin Linn, KW - Hatch, William H. KW - Harrison, Matson KW - O'Neill, John J. KW - United States KW - Congress KW - Pensions KW - Pilots and pilotage KW - Mississippi River KW - River pilots KW - itoamc N1 - Open to research N2 - ALS (1883 June 30) written by William H. Hatch to Harrison Matson, ALS (1883 November 13) written by John J. O'Neill to Matson, ALS (1883 December 14) written by Matson to Martin Linn Clardy, and petition (undated) to the U.S. Congress seeking a pension for Charles M. Scott, inventor of a signal system used by Mississippi river boat pilots ER -