Big Ten Academic Alliance Geospatial Discovery Portal

Big Ten Academic Alliance Geoportal

Search Constraints

You searched for: Subject Imagery and Base Maps Remove constraint Subject: Imagery and Base Maps
Number of results to display per page

Search Results

101. DEM Mosaics by Lidar Delivery Zones: Pennsylvania, 2006-2008

2012. The Pennsylvania State University. Mosaics of PAMAP DEMs by PAMAP Lidar Delivery Zones - This dataset, produced by the PAMAP Program, consists of a raster digital elevation model wit...

102. Digital Orthophoto (DOQQ - quarter-quadrangle) for Delaware 1997: Delaware, 1997

1999. U.S. Geologic Survey; Pennsylvania Bureau of Topographic and Geologic Survey. Orthophotos combine the image characteristics of a photograph with the geometric qualities of a map. The primary digital orthophotoquad (DOQ) is a ...

103. Digital Orthophoto (DOQQ - quarter-quadrangle) for Delaware: Delaware, 1992

1999. U.S. Geologic Survey; Pennsylvania Bureau of Topographic and Geologic Survey. Orthophotos combine the image characteristics of a photograph with the geometric qualities of a map. The primary digital orthophotoquad (DOQ) is a ...

104. Digital Orthophoto (DOQQ - quarter-quadrangle) for West Virginia: West Virginia, 1997

1999. U.S. Geologic Survey; Pennsylvania Bureau of Topographic and Geologic Survey. Orthophotos combine the image characteristics of a photograph with the geometric qualities of a map. The primary digital orthophotoquad (DOQ) is a ...

105. Digital Orthophoto (DOQQ - quarter-quadrangle) images for Pennsylvania: Pennsylvania, 1993

1993. U.S. Geologic Survey; Pennsylvania Bureau of Topographic and Geologic Survey. Orthophotos combine the image characteristics of a photograph with the geometric qualities of a map. The primary digital orthophotoquad (DOQ) is a ...

106. Digital Orthophoto (DOQQ - quarter-quadrangle) images for Pennsylvania: Pennsylvania, 1999

1999. U.S. Geologic Survey; Pennsylvania Bureau of Topographic and Geologic Survey. Orthophotos combine the image characteristics of a photograph with the geometric qualities of a map. The primary digital orthophotoquad (DOQ) is a ...

107. Digital Orthophoto (DOQQ - quarter-quadrangle): Virginia, 2000

1999. U.S. Geologic Survey; Pennsylvania Bureau of Topographic and Geologic Survey. Orthophotos combine the image characteristics of a photograph with the geometric qualities of a map. The primary digital orthophotoquad (DOQ) is a ...

108. Digital Orthophoto Quadrangle (DOQ) Data: Illinois, 1998 - 2001

1998. U.S. Geological Survey. This is a collection of tile-by-tile NAPP-III DOQs (1998-2001) images in MrSID format for the state of Illinois, in UTM Zones 15 and 16, NAD83. Ort...

109. District Boundary as defined by boundary Stones: Washington, D.C.

2015. District of Columbia GIS Program. District of Columbia boundary. The dataset is a polygon representing the District of Columbia boundaryC. Office of the Chief Technology Officer (OC...

110. Duluth 1-Meter Land Cover Classification (Urban Focused), 2016

2011. Host, Trevor K., Rampi, Lian P., and Knight, Joe F. A high-resolution (1-meter) land cover classification raster dataset was completed for three different geographic areas in Minnesota: Duluth, Roche...

111. DVRPC 2005 Digital Orthoimagery - County Mosaics: Southeast, Pennsylvania, 2005

2005. Delaware Valley Regional Planning Commission. Bucks North Mr.SID Mosaic - An orthoimage is remotely sensed image data in which displacement of features in the image caused by terrain relief and...

112. DVRPC 2005 Digital Orthoimagery for Southeast Pennsylvania - Tile Index: Pennsylvania, 2005

2005. Delaware Valley Regional Planning Commission. TILE INDEX - An orthoimage is remotely sensed image data in which displacement of features in the image caused by terrain relief and sensor orienta...

113. DVRPC 2005 Digital Orthoimagery for Southeast Pennsylvania: Pennsylvania, 2005

2005. Delaware Valley Regional Planning Commission. An orthoimage is remotely sensed image data in which displacement of features in the image caused by terrain relief and sensor orientation have bee...

114. DVRPC 2010 Digital Orthoimagery - County Mosaics Southeast, Pennsylvania: Delaware Valley, 2010

2010. Delaware Valley Regional Planning Commission. DVRPC Mr.SID County Mosaics for (Bucks, Chester, Delaware, Montgomery, Philadelphia counties) - An orthoimage is remotely sensed image data in whic...

115. DVRPC 2010 Digital Orthoimagery for Southeast Pennsylvania - Tile Index: Delaware Valley, 2010

2010. Delaware Valley Regional Planning Commission. This index represents the coverage of DVRPC's orthoimagery for the years 2000, 2005, and 2010 in the 5-county, Pennsylvania portion of the DVRPC re...

116. DVRPC 2010 Digital Orthoimagery for Southeast Pennsylvania: Pennsylvania, 2010

2010. Delaware Valley Regional Planning Commission. DVRPC TIFF Tiles - An orthoimage is remotely sensed image data in which displacement of features in the image caused by terrain relief and sensor o...

117. DVRPC's 2005 Topographic Contours - Bucks County: Pennsylvania, 2005

2005. Delaware Valley Regional Planning Commission. Contour lines connect a series of points of equal elevation and are used to illustrate topography, or relief, on a map. They show the height of gro...

118. Electric Service Areas Map: Scott County, Minnesota

2015. Scott County Information Technology. Electric Service Areas map showing electric service areas within Scott County.

119. Estimated Percentages of Impervious Surfaces in 2001, Derived from the National Land Cover Database (NLCD 2001): Indiana, 2003

2003. United States Geological Survey (USGS) (Author) and Indiana Geological Survey (Digital complier). IS2001USGS_IN is a grid (30-meter cell size) showing estimated percentages of impervious surfaces in Indiana in 2001. This grid is a subset of the ...

120. Estimated Percentages of Tree Canopy in 2001, Derived from the National Land Cover Database (NLCD 2001): Indiana, 2003

2003. United States Geological Survey (USGS) (Author) and Indiana Geological Survey (Digital compiler). TC2001USGS_IN is a grid (30-meter cell size) showing the estimated percentages of tree canopy in Indiana in 2001. This grid is a subset of the Nati...