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441.
Historic NAIP Imagery Grid: Maryland, 2015

Historic NAIP Imagery Grid: Maryland, 2015

2015. ArcGIS Online for Maryland. This is a MD iMAP hosted service. Find more information on http://imap.maryland.gov. The National Agriculture Imagery Program (NAIP) acquires aeria...

442.
Image

Historic NAIP Imagery Grid: Maryland, 2015

2015. ArcGIS Online for Maryland. This is a MD iMAP hosted service. Find more information on http://imap.maryland.gov. The National Agriculture Imagery Program (NAIP) acquires aeria...

443.
Vector Created with Sketch.

Historic topographic maps for Pennsylvania

2005. United States Geological Survey (USGS). Historic USGS 15 minute topographic maps for Pennsylvania as collected from the MapTech Historical Map Collection at '. Scanned map images from Map...

446.
Raster

Historical Aerial Photography: Illinois, 1937-1947

1936-1941. Illinois State Geological Survey. The primary data set consists of historical black and white aerial photographs from Illinois acquired during 1936 to 1941. Alternative years of pho...

451.
Table Created with Sketch.

Holmes County Public GIS Downloads

1861-2019. Holmes County GIS Consortium. The GIS Department page on the Holmes County, Ohio website provides an access link to their FTP repository of geospatial datasets. Land survey, par...

455.
Raster

Hydric Soils: Pennsylvania

2006. This raster dataset has been created using the attribute field "Hydric_C" from the SSURGO Soils data for each county in the study area as originate...

457.
Raster

Imagery 2010 - Tile Index: Allegheny County, Pennsylvania

2010. Allegheny County Division of Computer Services Geographic Information Systems Group. Tile Index - Orthophotos of Allegheny County, Pennsylvania - An orthoimage is remotely sensed image data that has been positionally corrected for c...

458.
Raster

Imagery 2010: Allegheny County, Pennsylvania

2010. Allegheny County Division of Computer Services Geographic Information Systems Group. Orthophotos of Allegheny County, Pennsylvania - An orthoimage is remotely sensed image data that has been positionally corrected for camera lens di...

459.
Raster

Imagery 2013 - Tile Index: Allegheny County, Pennsylvania

2013. Allegheny County Division of Computer Services Geographic Information Systems Group. Orthophotos of Allegheny County, Pennsylvania - An orthoimage is remotely sensed image data that has been positionally corrected for camera lens di...

460.
Raster

Imagery 2013: Allegheny County, Pennsylvania

2013. Allegheny County Division of Computer Services Geographic Information Systems Group. Orthophotos of Allegheny County, Pennsylvania - An orthoimage is remotely sensed image data that has been positionally corrected for camera lens di...