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A Classification of Soils for Urban Purposes

1970-07-15.

Aerial Photography: Dakota County, Minnesota, 1951

1951. Dakota County. Low level aerial photography for Dakota County flown in 1951.

Aerial Photography: Dakota County, Minnesota, 1957

1957. Dakota County. Low level aerial photography for Dakota County flown in 1957. Georeferenced from scanned contact prints.

Aerial Photography: Dakota County, Minnesota, 1964

1964. Dakota County. Low level aerial photography for Dakota County flown in 1964. Georeferenced from scanned contact prints.

Aerial Photography: Dakota County, Minnesota, 1970

1970. Dakota County. The 1970 Air Photo (September 11, 1970) of unknown origin was created by scanning enlargements and georeferencing them to their respective location...

Aerial Photography: Dakota County, Minnesota, 1974

1974. Dakota County. Low level aerial photography for Dakota County flown in 1974. Georeferenced from scanned contact prints.

Aerial Photography: Dakota County, Minnesota, 1991

1991. Dakota County. One-meter aerial photography for Dakota County flown in Spring 1991.

Agricultural Production by Type: Ecological Study for the Twin-Cities Metropolitan Area

1968. Map of Agricultural Production by Type prepared for the Metropolitan Council as a part of An Ecological Study for the Twin-Cities Metropolitan Area...

Amboy quadrangle, Illinois : 15 minute series (topographic)

1952. Geological Survey (U.S.). Contour interval 10 feet.;"Culture and drainage in part compiled from aerial photographs taken 1939 and 1941. Topography by plane-table surveys 195...

Amenity: Ecological Study for the Twin-Cities Metropolitan Area

1969. 1:62,500.