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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 Time Period 1950-1999 Remove constraint Time Period: 1950-1999

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1.
Imagery imagery

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.
Imagery imagery

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.
Imagery imagery

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.
Imagery imagery

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.

6.

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.