Big Ten Academic Alliance Geospatial Discovery Portal

Big Ten Academic Alliance Geoportal

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1. Allegheny County - Contours: Pennsylvania, 2006

2006. Allegheny County Division of Computer Services Geographic Information Systems Group. Contour data was created as a result of a county flyover in the spring of 2004. Contours were created from a DTM Feature Dataset, upgraded by Baker...

2. Floodplain, Cross Sections: Carver County, Minnesota

2014. CarverGIS. 2010 FEMA DFIRM floodplain cross sections.

3. Two Foot Contours Derived from LiDAR Data: Iowa

2017. Iowa DNR. This data set represents generalized bare earth 2 foot elevation contours of Iowa. The contours were developed using elevation data from the state ...