CPH to Hopkins, Nov. 11, 1873, LB, 5:181, box 22, Hopkins Collection.
Cohen to CPH, March 24, 1875, CPH Papers, ser. 1, r. 7.
Cohen to CPH, April 27, 1875, CPH Papers, ser. 1, r. 8.
D. O. Mills to CPH, Nov. 16, 1875, CPH Papers, ser. 1, r. 8.
CPH to Hopkins, March 21, 1876, LB, 8:119, box 23, Hopkins Collection.
For complexities of Archer Bill, see Ward M. Mcafee, "Local Interests and Railroad Regulation in California during the Granger Decade," Pacific Historical Review 37 (Feb. 1968): 51-66.
Towne to CPH, March 7, 1876, CPH Papers, ser. 1, r. 9.