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1775. Rumsey, David, 1944- and Ross, Lieut. This layer is a georeferenced image of a map of the Mississippi River, originally created by Lieut. Ross in 1775. The original map appears in "A ge... Cartography Associates.
International Boundary & Water Commission, United States & Mexico. Scale: 1:10000; Other Descriptive Notes about Map Series: Cover title: Survey of the Rio Grande Roma to the Gulf of Mexico : reports and maps. An... United States. Department of State.
International Boundary & Water Commission, United States & Mexico. Scale: 1:10000; Other Descriptive Notes about Map Series: Cover title: Survey of the Rio Grande Roma to the Gulf of Mexico : reports and maps. An... United States. Department of State.