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31. Hardin County, Iowa, 1980, aerial photomosaic index

Imagery University Of Iowa Public content
1980. Title supplied by cataloger based on information from sheet labels. Images are photoreductions of mosaics created from original aerial photographs.... United States. Agricultural Stabilization and Conservation Service.

32. Harrison County, Iowa, 1981, aerial photomosaic index

Imagery University Of Iowa Public content
1980. Title supplied by cataloger based on information from sheet labels. Images are photoreductions of mosaics created from original aerial photographs.... United States. Agricultural Stabilization and Conservation Service.

33. Harrison County, West Virginia

Maps University Of Minnesota Public content
1980. United States. Soil Conservation Service. Base source: USGS 1:100,000 county base dated 1979; interpretations derived from soil map constructed 1979.; "Projection and 10,000-metre grid tick... Dept. of Agriculture, Soil Conservation Service (Washington.).

34. Humboldt County, Iowa, 1980, aerial photomosaic index

Imagery University Of Iowa Public content
1980. Title supplied by cataloger based on information from sheet labels. Images are photoreductions of mosaics created from original aerial photographs.... United States. Agricultural Stabilization and Conservation Service.

35. Hydro Line Milwaukee County, Wisconsin 1944-1994

Datasets American Geographical Society Library - UWM Libraries Public content
1944, 1945, 1946, 1947, 1948, 1949, 1950, 1951, 1952, 1953, 1954, 1955, 1956, 1957, 1958, 1959, 1960, 1961, 1962, 1963, 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, and 1994. Wisconsin Department of Natural Resources. This line data layer represents hydrography for Milwaukee County, Wisconsin in 1944-1994. The dataset was originally published by the Wisconsin Dep...

36. Hydro Polygon Milwaukee County, Wisconsin 1944-1994

Datasets American Geographical Society Library - UWM Libraries Public content
1944, 1945, 1946, 1947, 1948, 1949, 1950, 1951, 1952, 1953, 1954, 1955, 1956, 1957, 1958, 1959, 1960, 1961, 1962, 1963, 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, and 1994. Wisconsin Department of Natural Resources. This polygon data layer represents hydrography for Milwaukee County, Wisconsin in 1944-1994. The dataset was originally published by the Wisconsin ...

37. Ida County, Iowa, 1981, aerial photomosaic index

Imagery University Of Iowa Public content
1980. Title supplied by cataloger based on information from sheet label. Image is a photoreduction of the mosaic created from original aerial photographs... United States. Agricultural Stabilization and Conservation Service.

38. Important farmlands Bartholomew County, Indiana

Maps University Of Minnesota Public content
1980. United States. Soil Conservation Service. "Interpretations derived from soil survey published in 1976."; "May 1980. 5,R-37,826."; Includes location map. 79 x 73 centimeters 1:50,000. U.S. Dept. of Agriculture, Soil Conservation Service (Washington.).

39. Important farmlands, Crawford County, Indiana

Maps University Of Minnesota Public content
1980. United States. Soil Conservation Service. Base source: USGS 1:100,000 county base map dated 1979; interpretations derived from soil map constructed 1975.; "March 1980. 5,R-37,751."; Include... U.S. Dept. of Agriculture, Soil Conservation Service (Washington.).

40. Important farmlands, Daviess County, Indiana

Maps University Of Minnesota Public content
1980. United States. Soil Conservation Service. Base source: USGS 1:100,000 county base map dated 1979; interpretations derived from soil survey published in 1974.; "August 1980; 5,R-38,057."; In... U.S. Dept. of Agriculture, Soil Conservation Service (Washington.).