Proceedings of the friends of a rail-road to San Francisco : at their public meeting, held at the U.S. Hotel, in Boston, April 19, 1849 : including an address to the people of the U. States, showing that P.P.F. Degrand's plan is the only one, as yet proposed, which will secure promptly and certainly, and by a single act of legislation, the construction of a rail-road to California, in the shortest time allowed by its physical obstacles.