Big Ten Academic Alliance Geospatial Discovery Portal

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1.
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100 Year all Flood: Lycoming County, Pennsylvania

2008. The Digital Flood Insurance Rate Map (DFIRM) Database depicts flood risk information and supporting data used to develop the risk data. The primary...

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100 Year Flood: Lycoming County, Pennsylvania

2008. The Digital Flood Insurance Rate Map (DFIRM) Database depicts flood risk information and supporting data used to develop the risk data. The primary...

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100 Year Flood Plain: Cuyahoga County, Ohio

Cuyahoga County Planning Commission's Greenprint GIS features: Trails, Water Features, Wetlands, Open Space, Activity Nodes, Conservation Areas, Ri...

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104 State Water Plan Watersheds: Pennsylvania

1998. Environmental Resources Research Institute. Digitized boundaries of 104 major watersheds defined in the Pennsylvania state water plan. The State Water Plan, originally developed in the 1970s,...

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108th Congressional Districts for the Delaware River Basin Area'

2004. 108th Congressional Districts for the Delaware River Basin Area. These were compiled from the 4 basin states and combined into one layer.

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500 Year Flood: Lycoming County, Pennsylvania

2008. The Digital Flood Insurance Rate Map (DFIRM) Database depicts flood risk information and supporting data used to develop the risk data. The primary...

7.
6-Digit Accounting Units, Hydrologic Units: Indiana

6-Digit Accounting Units, Hydrologic Units: Indiana

2002. United States Geological Survey and Bernardin-Lochmueller & Associates. WATERSHEDS_HUC06_USGS_IN is a polygon shapefile showing the boundaries of accounting units (HUA) in Indiana. Accounting units are noted by a 6-digi...

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Ability to Produce Clean and Abundant Water - version 2: Pennsylvania

2016. Open Space Institute. In the original APCAW (v2) the Open Space Institute (OSI) sought to develop a metric to measure the relative capacity of small scale (HUC12) waters...

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Active Stream Area: Cuyahoga County, Ohio

Cuyahoga County Planning Commission's Greenprint GIS features: Trails, Water Features, Wetlands, Open Space, Activity Nodes, Conservation Areas, Ri...

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Agricultural Water Quality Certification Program (MAWQCP) Pilot and Expanded Areas: Minnesota

2015. Minnesota Department of Agriculture. The Minnesota Agricultural Water Quality Certification Program (MAWQCP) is a voluntary opportunity for farmers and agricultural landowners to take ...

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Ambient and fixed station network groundwater monitoring point data (1985 - 1998): Pennsylvania

1999. Pennsylvania Department of Environmental Protection. This coverage represents the point locations and data for 1,106 groundwater quality monitoring points sampled under the PA DEP Fixed Station Networ...

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Aquatic Resources Group: Pennsylvania

2006. This raster dataset is a compilation of several data sets that have been combined to create an overall aquatic resources conservation value raster ...

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Aquifer Characteristics Of Glacial Drift: Michigan

2015. This data set was derived from the 1981 publication of the Hydrological Atlas of Michigan plate 26. Three plates of the Aquifer Characteristics of ...

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Area Fisheries Managers Areas: Pennsylvania

2012. Pennsylvania Fish and Boat Commission. Coverage areas of Pennsylvania Fish and Boat Commission Area Fisheries Managers (AFM).

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Area Fisheries Managers Offices: Pennsylvania

2012. Pennsylvania Fish and Boat Commission. Office locations of Pennsylvania Fish and Boat Commission Area Fisheries Managers (AFM).

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Assessed Waters, 2016 (Proposed): Minnesota

2017. Minnesota Pollution Control Agency. This is a proposed set of the waterbodies assessed by MPCA's surface water quality assessment process for the 2016 303(d)/305(b) integrated report ...

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Average Annual Groundwater Recharge: Metro Twin Cities, Minnesota

2009. Barr Engineering Company. This dataset contains long-term average (1975-2003) annual recharge estimates for the seven-county Twin Cities metropolitan area. Values are in inc...

18.
Bacteria Monitoring Stations and Data Summaries, Derived from EPA BASINS 3: Indiana

Bacteria Monitoring Stations and Data Summaries, Derived from EPA BASINS 3: Indiana

2003. Bernardin-Lochmueller & Associates. BACTERIA_MONITORING_EPA_IN is a point shapefile developed by the USEPA BASINS 3.0 program and edited by Bernardin, Lochmueller and Associates. Joi...

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Base Flood Elevation: Carver County, Minnesota

2014. 2010 FEMA DFIRM base flood elevations.

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Base Flow of Michigan Streams: Michigan

2017. This data set provides estimates of the ground-water contribution to stream flow, frequently referred to as base flow, in cubic feet per second. Th...

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Base Flow of Michigan Streams: Michigan

2015. This data set provides estimates of the ground-water contribution to stream flow, frequently referred to as base flow, in cubic feet per second. Th...

22.
Bathymetric Contours for Selected Lakes: Indiana

Bathymetric Contours for Selected Lakes: Indiana

2012. Indiana Department of Natural Resources, Division of Fish and Wildlife. LAKE_BATHYMETRY_IDNR_IN.SHP provides bathymetric contours for the following 85 lakes in Indiana, with depths calculated from the average shoreline ...

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Best Fishing Waters - Lakes: Pennsylvania

2018. Pennsylvania Fish and Boat Commission. \u201cPennsylvanias Best Fishing Waters\u201d program identifies proven waters for specific species. This listing includes suggestions for distinct...

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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...

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Bike Racks: Philadephia, Pennsylvania

2012. 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...

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Boating Special Regulation Lakes (Polygons): Pennsylvania

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

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Boating Special Regulation Streams: Pennsylvania

2016. Pennsylvania Fish and Boat Commission. This layer contains those streams/rivers within Pennsylvania that have specific special regulations related to boating as defined by the Pennsylvan...

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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 specific special regulations related to boating as defi...

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Boundaries Of Exceptional Value Watersheds: Pennsylvania

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

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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.

31.
Cataloging Units, 8-digit,Hydrologic Units: Indiana

Cataloging Units, 8-digit,Hydrologic Units: Indiana

2002. United States Geological Survey. WATERSHEDS_HUC08_CATALOG_UNITS_USGS_IN is a polygon shapefile showing the boundaries of cataloging units in Indiana. Cataloging units are noted by ...

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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 ...

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Chemung Subbasin

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

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Chesapeake Bay basin major watersheds

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

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Chesapeake Bay region state boundaries

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

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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...

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Choptank River Heritage Access

2011. Choptank River Heritage Center (CRHC). Public landings and other river access points to the Choptank River and its tributaries, on Maryland's Eastern Shore.

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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...

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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.

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Class A Wild Trout Streams - points: Pennsylvania

2018. 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 ...

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Class A Wild Trout Streams: Pennsylvania

2018. 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 ...

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Coastal Floodplains: Pennsylvania

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

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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...

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Coastal Zones: Pennsylvania

2004. Pennsylvania Department of Environmental Protection. The Coastal Zone Boundary delineates Pennsylvania's two coastal zones: the Delaware Estuary Coastal Zone located in southeastern Pennsylvania, and ...

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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...

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Council Districts: Philadephia, Pennsylvania

1990. City Planning Commission (PCPC) Department - GIS Division. District boundaries of municipal legislators.

47.
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County Ditches: Summit County, Ohio

2014. Dataset created and maintained by the Summit County Engineer showing ditches within the Engineer's jurisdiction.

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County Seats for the Delaware River Basin Area: Pennsylvania

2004. County Seats (county capitals) for the Delaware River Basin Area.

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Creeks Streams: Franklin County, Ohio

Franklin County Auditor - Local Government Information Model - Reference Data Feature Class - Water (Stream Lines) This layer contains line feature...

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Cultural Assessment of the Chesapeake Bay Watershed

2000. Multiple TIFF and layer files pertaining to Cultural Assessment of the Chesapeake Bay watershed Growth and development not only threaten lands of h...

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Culvert Inventory: Lake County, Minnesota

2016. This layer contains data collected to contribute to a culvert inventory of Lake County, Minnesota. Information includes: stream name, road name, st...

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Dams: Centre County, Pennsylvania

1995. Point Feature Class - It was originally captured as part of the 1995 Aerial Imagery project completed by Kimball.

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Dams under the Jurisdiction of the Indiana Department of Natural Resources: Indiana

Dams under the Jurisdiction of the Indiana Department of Natural Resources: Indiana

2016. Indiana Department of Natural Resources, Division of Water. A data set showing the locations of dams in Indiana that are under the jurisdiction of the Indiana Department of Natural Resources.

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Delaware River Basin boundary - line: Pennsylvania

2004. line boundary of the Delaware River basin.

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Delaware River Basin boundary - polygon: Pennsylvania

2004. polygon boundary of the Delaware River Basin.

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Delaware River Basin Catchments Based on Strahler Stream Order 1 Determined from a 900-cell Flow Accumulation Raster in Areas Not Covered by NHD Catchments for 8-digit HUC: Pennsylvania

2016. United States Geological Survey. In 2012, catchments were generated in the Delaware River Basin for 8-digit HUCs in the areas underlain by the Marcellus Shale (all of 02040101, 020...

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Delaware River Basin Catchments Based on Strahler Stream Order 1 from National Hydrography Dataset (NHD) Stream Centerline Features for 8-digit HUC: Pennsylvania

2016. United States Geological Survey. In 2012, catchments were generated in the Delaware River Basin for 8-digit HUCs in areas underlain by the Marcellus Shale (all of 02040101, 0204010...

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Delaware River Basin Commission watershed boundaries - HUC 8: Pennsylvania

2004. watershed boundaries for the Delaware River Basin at the HUC 8 level.

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Delaware River Basin county boundaries - clipped: Pennsylvania

2004. County boundaries clipped to the Delaware River Basin.

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Delaware River Basin county boundaries - unclipped: Pennsylvania

2004. County boundaries that touch the Delaware River Basin, not clipped to the basin boundary.

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Delaware River Basin creeks and rivers: Pennsylvania

2004. creeks and rivers clipped to the Delaware River Basin.

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Delaware River Basin major cities: Pennsylvania

2004. major cities and towns within Delaware River Basin.

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Delaware River Basin Reservoirs: Pennsylvania

2004. Reservoirs located within the Delaware River Basin.

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Delaware River Basin roads: Pennsylvania

2004. roads clipped to the Delaware River Basin.

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Delaware River Basin sub-basins: Pennsylvania

2004. sub-basins within the Delaware River Basin.

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Delaware River Basin watershed boundaries - HUC 11: Pennsylvania

2004. watershed boundaries for the Delaware River Basin at the HUC 11 level.

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Delaware River boundary: Pennsylvania

2004. Boundary of the Delaware river within the Delaware River Basin.

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Delaware river bridges: Pennsylvania

2004. Bridges over the Delaware river within the Delaware River Basin.

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Delaware River islands: Pennsylvania

2004. islands located on the Delaware River within the Delaware River Basin.

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Delaware state boundary - line: Pennsylvania

2004. Line boundary for the state of Delaware.

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Delaware Water Gap Landuse: Pennsylvania

2000. United States Geological Survey (USGS). Landuse for the Delaware Water Gap and Surrounding watersheds and tributaries.

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Delaware watersheds within the Delaware River Basin: Pennsylvania

2004. Delaware watersheds within the Delaware River Basin.

73.
Department of Natural Resources Hydrography - Fisheries Reclamation Events: Minnesota

Department of Natural Resources Hydrography - Fisheries Reclamation Events: Minnesota

2007. Minnesota Department of Natural Resources (DNR). This layer shows waterbodies that have been <B>treated for fish removal (i.e., "reclaimed") </B>by DNR Fisheries. Some waterbodies have had multi...

74.
Department of Natural Resources Hydrography - Fishing in the Neighborhood (FiN) Ponds: Minnesota

Department of Natural Resources Hydrography - Fishing in the Neighborhood (FiN) Ponds: Minnesota

2009. Minnesota Department of Natural Resources (DNR). This layer represents ponds included in <b>DNR's Fishing in the Neighborhood (FiN) program</b>, described online at: http://www.dnr.state.mn.us/fis...

75.
Department of Natural Resources Hydrography - Large Lakes in: Minnesota

Department of Natural Resources Hydrography - Large Lakes in: Minnesota

2007. DNR (Department of Natural Resources) Division of Fish & Wildlife - Fisheries Unit and Minnesota Department of Natural Resources (DNR). This layer shows the 10 large lakes involved in the <b>Minnesota DNR Fisheries Large Lake Program</b>. These lakes have surface areas greater than ...

76.
Department of natural Resources Hydrography: Minnesota

Department of natural Resources Hydrography: Minnesota

2018. Minnesota Department of Natural Resources (DNR). Statewide hydrographic features derived from the <a href="dnr_hydrography_dataset.html"> <b>MNDNR Hydrography Dataset.</b></a> This dataset is man...

77.
Department of Natural Resources Observation Well Network Locations - Public version: Minnesota

Department of Natural Resources Observation Well Network Locations - Public version: Minnesota

2018. Minnesota Department of Natural Resources (DNR). This feature class contains information about observation well location specifics, creation and update dates, associated organizations and DNR and ...

78.
Department of natural Resources Watershed Suite: Minnesota

Department of natural Resources Watershed Suite: Minnesota

2018. Minnesota Department of Natural Resources (DNR). The MNDNR Watershed Suite is a collection of watershed delineations at various levels, flow network lines, and pour points. Follow the links below ...

79.
Designated Water Features - Trout Stream Designation - PLS Sections: Minnesota

Designated Water Features - Trout Stream Designation - PLS Sections: Minnesota

2015. Minnesota Department of Natural Resources (DNR). This data layer shows which Public Land Survey (PLS) Sections contain designated trout streams according to <B>MN Rules Chapter 6264</B>. See lin...

80.
Designated Water Features - Wild, Scenic and Recreational Rivers: Minnesota

Designated Water Features - Wild, Scenic and Recreational Rivers: Minnesota

1997. Minnesota Department of Natural Resources (DNR). This layer contains designated <B>Wild, Scenic & Recreational Rivers in Minnesota</B> as specified in <I>1997 MN Rules 6105.</I> Segments of river...

81.
Designated Wetlands: Iowa

Designated Wetlands: Iowa

2017. Iowa Department of Natural Resources. Designated Wetlands This zip file contains a shapefile of the designated wetlands and their setback requirements.

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DFIRM Depth Grid: 1% Annual Chance Flood Depth Grid: Armstrong County, Pennsylvania

2013. Federal Emergency Management Agency. A 1% Annual Chance Flood Depth Grid represents the height of a 100 year flood surface elevation above ground or bottom of a stream channel measured...

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DFIRM Depth Grid:1% Annual Chance Flood Depth Grid: Beaver County, Pennsylvania

2013. Federal Emergency Management Agency. A 1% Annual Chance Flood Depth Grid represents the height of a 100 year flood surface elevation above ground or bottom of a stream channel measured...

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DFIRM Depth Grid:1% Annual Chance Flood Depth Grid: Bedford County, Pennsylvania

2013. Federal Emergency Management Agency. A 1% Annual Chance Flood Depth Grid represents the height of a 100 year flood surface elevation above ground or bottom of a stream channel measured...

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DFIRM Depth Grid:1% Annual Chance Flood Depth Grid: Blair County, Pennsylvania

2013. Federal Emergency Management Agency. A 1% Annual Chance Flood Depth Grid represents the height of a 100 year flood surface elevation above ground or bottom of a stream channel measured...

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DFIRM Depth Grid:1% Annual Chance Flood Depth Grid: Butler County, Pennsylvania

2013. Federal Emergency Management Agency. A 1% Annual Chance Flood Depth Grid represents the height of a 100 year flood surface elevation above ground or bottom of a stream channel measured...

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DFIRM Depth Grid:1% Annual Chance Flood Depth Grid: Cambria County, Pennsylvania

2013. Federal Emergency Management Agency. A 1% Annual Chance Flood Depth Grid represents the height of a 100 year flood surface elevation above ground or bottom of a stream channel measured...

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DFIRM Depth Grid:1% Annual Chance Flood Depth Grid: Cameron County, Pennsylvania

2013. Federal Emergency Management Agency. A 1% Annual Chance Flood Depth Grid represents the height of a 100 year flood surface elevation above ground or bottom of a stream channel measured...

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DFIRM Depth Grid:1% Annual Chance Flood Depth Grid: Clarion County, Pennsylvania

2013. Federal Emergency Management Agency. A 1% Annual Chance Flood Depth Grid represents the height of a 100 year flood surface elevation above ground or bottom of a stream channel measured...

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DFIRM Depth Grid:1% Annual Chance Flood Depth Grid: Clearfield County, Pennsylvania

2013. Federal Emergency Management Agency. A 1% Annual Chance Flood Depth Grid represents the height of a 100 year flood surface elevation above ground or bottom of a stream channel measured...

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DFIRM Depth Grid:1% Annual Chance Flood Depth Grid: Elk County, Pennsylvania

2013. Federal Emergency Management Agency. A 1% Annual Chance Flood Depth Grid represents the height of a 100 year flood surface elevation above ground or bottom of a stream channel measured...

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DFIRM Depth Grid:1% Annual Chance Flood Depth Grid: Franklin County, Pennsylvania

2013. Federal Emergency Management Agency. A 1% Annual Chance Flood Depth Grid represents the height of a 100 year flood surface elevation above ground or bottom of a stream channel measured...

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DFIRM Depth Grid:1% Annual Chance Flood Depth Grid: Fulton County, Pennsylvania

2013. Federal Emergency Management Agency. A 1% Annual Chance Flood Depth Grid represents the height of a 100 year flood surface elevation above ground or bottom of a stream channel measured...

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DFIRM Depth Grid:1% Annual Chance Flood Depth Grid: Greene County, Pennsylvania

2013. Federal Emergency Management Agency. A 1% Annual Chance Flood Depth Grid represents the height of a 100 year flood surface elevation above ground or bottom of a stream channel measured...

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DFIRM Depth Grid:1% Annual Chance Flood Depth Grid: Huntingdon County, Pennsylvania

2013. Federal Emergency Management Agency. A 1% Annual Chance Flood Depth Grid represents the height of a 100 year flood surface elevation above ground or bottom of a stream channel measured...

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DFIRM Depth Grid:1% Annual Chance Flood Depth Grid: Jefferson County, Pennsylvania

2013. Federal Emergency Management Agency. A 1% Annual Chance Flood Depth Grid represents the height of a 100 year flood surface elevation above ground or bottom of a stream channel measured...

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DFIRM Depth Grid:1% Annual Chance Flood Depth Grid: Lawrence County, Pennsylvania

2013. Federal Emergency Management Agency. A 1% Annual Chance Flood Depth Grid represents the height of a 100 year flood surface elevation above ground or bottom of a stream channel measured...

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DFIRM Depth Grid:1% Annual Chance Flood Depth Grid: Luzerne County, Pennsylvania

2013. Federal Emergency Management Agency. A 1% Annual Chance Flood Depth Grid represents the height of a 100 year flood surface elevation above ground or bottom of a stream channel measured...

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DFIRM Depth Grid:1% Annual Chance Flood Depth Grid: McKean County, Pennsylvania

2013. Federal Emergency Management Agency. A 1% Annual Chance Flood Depth Grid represents the height of a 100 year flood surface elevation above ground or bottom of a stream channel measured...

100.
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DFIRM Depth Grid:1% Annual Chance Flood Depth Grid: Mercer County, Pennsylvania

2013. Federal Emergency Management Agency. A 1% Annual Chance Flood Depth Grid represents the height of a 100 year flood surface elevation above ground or bottom of a stream channel measured...