For these negotiations, see CPH to Hopkins, Feb. 7, 1873, March 8, 1873 (3 letters), March 10, 1873 (2 letters), March 11, 1873, May 3, 1873; CPH to Stanford, Feb. 19, 1873, April 7, 1873, April 30, 1873, Letters from Collis P. Huntington, 3:393-94, 403-409, 4:5-7, 15.
CPH to Stanford, Feb. 28, 1873, v. 3: 149, Box 21.
CPH to Hopkins, March 1, (two letters both) March 7, 1873, v. 3: 151, 169, 171, Box 21.
