Sec. 10 of the 1864 amending Pacific Railroad Act (13 Statutes at Large, 356) additionally authorized the company to issue its own "First Mortgage Bonds" in total amounts up to (but not exceeding) that of the bonds issued by the United States. Such company-issued securities had priority over the original Government Bonds. (Local and state governments also aided the financing, although the City and County of San Francisco did not do so willingly. This materially slowed early construction efforts.) Sec. 3 of the 1862 Act granted the railroads of public land for every mile laid, except where railroads ran through cities and crossed rivers. This grant was apportioned in 5 sections on alternating sides of the railroad, with each section measuring by . These grants were later doubled to per mile of grade by the 1864 Act.