"The jams thus worked their way down gradually, carrying destruction to bridges and small houses, and other buildings on the banks, until they were all concentrated in one immense mass of four miles in length, of great height and depth, and filling the river, which varies in width from one thousand to fifteen thousand feet from bank to bank. Of the magnitude and power of such a mass, no just conception can be formed by persons unused to similar scenes. Above the jam the water was twenty or thirty feet above its usual height, filling up the rapids, and making a dead level of the falls. "The first injury to the city was from the breaking away of a small section of the jam, which came down and pressed against the ice on our banks. By this, twenty houses in one immediate neighborhood, on the west bank of the river alone, were at once inundated, but without loss of life. This occurred in the daytime, and presented a scene of magnificent interest. The effect of this small concussion upon the ice near the city was terrific. The water rose instantly to such a height as to sweep the buildings and lumber from the ends of the wharves, and to throw up the ice in huge sheets and pyramids. This shock was resisted by the great covered bridge on the Penobscot, which is about one thousand feet in length, and this gave time to save much property from impending destruction. But, meanwhile, another auxiliary to the fearful work had been preparing by the breaking up of the ice in the Kenduskeag River. This river flows through the heart of the city, dividing it into two equal portions. The whole flat on the margin of the river is covered with stores and public buildings, and is the place of merchandise for the city. The Kenduskeag runs nearly at right angles with the Penobscot at the point where they unite. The Penobscot skirts the city on the eastern side, and on the banks of this river are the principal wharves for the deposit of lumber. "I must mention another circumstance to give you a just idea of our situation. There is a narrow spot in the river, about a mile below the city, at High Head, in which is a shoal, and from which the greatest danger of a jam always arises, and it was this that caused the principal inundation.