A Historically Important Original Autograph Manuscript Letter Written by a Southern Pacific Railway Employee to the President of D. O. Mills & Co.’s Bank and One of the Wealthiest Ranchers in Colusa County Edgar Mills, Urging Him to Sign the Right of Way through His Lands as Soon as Possible as This Is “The Only Portion Which Has Not Already Been Obtained” for the Construction of the Now-Defunct West Side & Mendocino R. R., One of the First Railways in Colusa County. San Francisco, Cal., 10 November 1886.