Osher Map Library

Portland Harbor, Maine

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County Map of the State of Maine.

Plan of Portland Harbour.

Portland Harbor Maine : From a Trigonometrical Survey under the direction of A.D. Bache Superintendent of the Survey of the Coast of the United States Triangulation by C.O. Boutelle Assistant U.S.C.S. Topography by A.W. Longfellow Assist. Hydrography by the Parties under the command of Lieuts. Comdg. M. Woodhull, T.A. Craven, F.A. Roe and J. Wilkinson U.S.N. Assts.

County Map of the State of Maine.

City and Harbor of Portland Maine 1870

County Map of the State of Maine.

Birds Eye View of Casco Bay: Portland, Maine and Surroundings

Map of the City of Portland published by the Walker Lithograph and Publishing Co. Boston, Mass.