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You searched for: Resource Class Imagery Remove constraint Resource Class: Imagery Resource Type Vector data Remove constraint Resource Type: Vector data

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1. Aerial Photography Dates: Iowa, 1950s

Imagery imagery University Of Iowa university-of-iowa
1950. Iowa Department of Natural Resources. Zipped file Contains a dateset of the centroids, with dates, of the individual images used. State of Iowa.

2. Aerial Photography Dates: Iowa, 1960s

Imagery imagery University Of Iowa university-of-iowa
1960. Iowa Department of Natural Resources. This dataset is centroids with dates of the individual images used. State of Iowa.

3. Aerial Photography Dates: Iowa, 1970s

Imagery imagery University Of Iowa university-of-iowa
1970. Iowa Department of Natural Resources. This shapefile has centroids with dates of all images used in this dataset. State of Iowa.

4. CIR Aerial Photography Dates: Iowa, 1980s

Imagery imagery University Of Iowa university-of-iowa
1980. Iowa Department of Natural Resources. This data has centroids and dates of individual images used. State of Iowa.

5. Driftless Areas [Illinois]

University Of Illinois Urbana Champaign university-of-illinois-urbana-champaign
1994. Illinois State Geological Survey. Driftless areas in Illinois. These areas are analogous to areas of the state where the bedrock surface is not buried by glacial drift. Data origina... Illinois State Geological Survey.

7. National Agricultural Imagery Program (NAIP) - quarter-quadrangle index

Imagery imagery Pennsylvania State University pennsylvania-state-university
2006. U S Department of Agriculture. Index of USGS quarter-quadrangles (3.75 minute) covering Pennsylvania used for 2004 National Agricultural Imagery program (NAIP) images. The polygo... State of Pennsylvania.

11. Woodfordian Moraines [Illinois]

University Of Illinois Urbana Champaign university-of-illinois-urbana-champaign
1991. Illinois State Geological Survey. Named Woodfordian moraines, or Wisconsinan End Moraines, of Illinois. Data originally from ISGS Bulletin 94, Pleistocene Stratigraphy of Illinois, ... Illinois State Geological Survey.