Big Ten Academic Alliance Geospatial Discovery Portal

Big Ten Academic Alliance Geoportal

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21. Bike Network and Supporting Datasets: Philadephia, Pennsylvania

2012. Streets Department. Philadelphia bike network and supporting datasets is an experimental dataset that combines various City of Philadelphia departments' datasets to su...

22. Bike Racks: Philadephia, Pennsylvania

2012. City of Philadelphia. This dataset is a combination of both bike racks installed in 2008 as a result of Adopt-a-rack program and racks installed by converting parking me...

23. Boating Special Regulation Lakes (Polygons): Pennsylvania

2016. Pennsylvania Fish and Boat Commission. This layer contains those lakes within Pennsylvania that have specifc special regulations related to boating as defined by the Pennsylvania Fish an...

24. Boating Special Regulation Streams: Pennsylvania

2016. Pennsylvania Fish and Boat Commission. This layer contains those streamsivers within Pennsylvania that have specifc special regulations related to boating as defined by the Pennsylvania ...

25. Boating Special Regulation Waters (Points): Pennsylvania

2016. Pennsylvania Fish and Boat Commission. This layer contains those lakes and streams as point features within Pennsylvania that have specifc special regulations related to boating as defin...

26. Boundaries Of Exceptional Value Watersheds: Pennsylvania

1996. Environmental Resources Research Institute. Watersheds of exceptional quality streams.

27. Boundary of Conneaut Lake: Pennsylvania

1993. Loree Speedy, Western Pennsylvania Conservancy. Boundary of Conneaut Lake, Crawford County, Pennsylvania. This polyline does not include the many docks that extend into the lake.

28. Census Block Groups: Philadephia, Pennsylvania

2010. U.S. Department of Commerce, U.S. Census Bureau, Geography Division. The TIGER/Line Files are shapefiles and related database files (.dbf) that are an extract of selected geographic and cartographic information from ...

29. Chemung Subbasin

2006. SRBC. Polygon shapefile of the Chemung Subbasin. This file was created from the 2006 subbasin.shp SRBC dataset.

30. Chesapeake Bay basin major watersheds

1996. Penn State ORSER/ERRI. Major watershed boundaries for the Chesapeake Bay basin.

31. Chesapeake Bay region state boundaries

1996. Penn State ORSER/ERRI. Boundaries for the states in the Chesapeake Bay region.

32. Chesapeake Bay Watershed land use/land cover v105

2000. University of Maryland Regional Earth Science Applications Center (RESAC). A land cover map of the Chesapeake Bay Watershed plus the non-watershed components of counties that intersect the Watershed. The map has 17 cover c...

33. Choptank River Heritage Access

2011. ChoptankRiverHeritage.org. Public landings and other river access points to the Choptank River and its tributaries, on Maryland's Eastern Shore.

34. Choptank River Heritage NRHP (National Register of Historic Places)

2011. Maryland Historical Trust (MHT). This map shows NRHP sites in the Mid-Shore counties of Kent, Queen Anne, Caroline, Talbot, and Dorchester, on Maryland's Eastern Shore. Map data wa...

35. Choptank River Heritage Watershed

2010. USDA-NRCS, 1221 College Park Drive, Suite 100, Dover, DE 19904. Shows watershed of the Choptank River and its tributaries, on Maryland's Eastern Shore.

36. Class A Wild Trout Streams - points: Pennsylvania

2017. Pennsylvania Fish and Boat Commission. Class A streams are streams that support a population of wild (natural reproduction) trout of sufficient size and abundance to support a long-term ...

37. Class A Wild Trout Streams: Pennsylvania

2017. Pennsylvania Fish and Boat Commission. Class A streams are streams that support a population of wild (natural reproduction) trout of sufficient size and abundance to support a long-term ...

38. Coastal Floodplains: Pennsylvania

1996. Penn State ORSER/ERRI. Coastal floodplains from LLRWS data.

39. Coastal Zone Management Areas: Michigan

2016. A detailed digital geographic representation of the coastal zone management boundary applied under the Coastal Zone Management Act of 1972 (P.L. 92...

40. Contours 10ft: Philadephia, Pennsylvania

2004. City of Philadelphia Water Department - Information Systems Technology. Planimetric Coverage containing the delineation of topographic contours at ten foot intervals. Annotation of Contour Line elevations exists. Annota...