Big Ten Academic Alliance Geospatial Discovery Portal

Big Ten Academic Alliance Geoportal

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You searched for: Subject Inland Waters Remove constraint Subject: Inland Waters Time Period 1950-1999 Remove constraint Time Period: 1950-1999
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1.
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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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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...

3.
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ArcGIS REST Services Directory for Lucas County, Ohio

1998-present. ArcGIS REST site referencing layers for parcels, boundaries, transportation, hydrology, utilities, and more. Also contains references to elevation ...

4.
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Boundaries Of Exceptional Value Watersheds: Pennsylvania

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

5.
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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.

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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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Coastal Floodplains: Pennsylvania

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

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Council Districts: Philadephia, Pennsylvania

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

10.
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Dams: Centre County, Pennsylvania

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

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Fish Species Occurrence Database: Pennsylvania

1998. Pennsylvania Fish and Boat Commission. Historical listing (1975-1995) of Pennsylvania fish species occurrences, as documented at 10,780 sampling points on streams and rivers throughout t...

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Floodplains From 1985: Washington, D.C.

1985. City of Washington, DC. Floodplains from 1985. The FIRM is the basis for floodplain management, mitigation, and insurance activities for the National Flood Insurance Progr...

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Floodplains of Pennsylvania

1996. Office of Remote Sensing for Earth Resources, Penn State University. In an effort to expedite the permit review process for Water Obstruction and Encroachment Applications, the Pennsylvania Department of Environmenta...

14.
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GIS Downloads for Putnam County, Ohio

1995-present. Putnam County GIS Office. Website containing downloadable shapefiles for parcels, addresses, transportation, boundaries, hydrology, geology, and more. Also contains 1995-201...

15.
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Hydrography Polygons: Dauphin County, Pennsylvania

1990. Dauphin County, PA. Reference dataset showing water bodies in Dauphin County. Most likely derived from a PennDOT dataset in the early 1990s. Updated as needed.

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Major River Basins: Pennsylvania

1998. Environmental Resources Research Institute. This polygon layer delineates the boundaries of 8 major watersheds in Pennsylvania that have shown through past vertebrate inventory collection rec...

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Major Rivers: Pennsylvania

1996. Environmental Resources Research Institute. Major rivers as derived from Pennsylvania Dept. of Transportation's streams database, which is organized by county.

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National Hydrography Dataset (NHD) Flowline: Pennsylvania (medium resolution)

1999. United States Geological Survey (USGS)U.S. Environmental Protection Agency. The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that c...

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National Hydrography Dataset (NHD) Waterbody: Pennsylvania (medium resolution)

1999. United States Geological Survey (USGS)U.S. Environmental Protection Agency. The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that c...

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National Hydrography Dataset (NHD) Watersheds: Pennsylvania (medium resolution)

1999. United States Geological Survey (USGS)U.S. Environmental Protection Agency. The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that c...

21.
National Wetlands Inventory, 1980-1986: Minnesota

National Wetlands Inventory, 1980-1986: Minnesota

1980-1986. Minnesota Department of Natural Resouces (DNR). Wetland area features mapped as part of the National Wetlands Inventory (NWI). The National Wetlands Inventory is a national program sponsored by t...

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Mixed

National Wetlands Inventory: Illinois, 1987

1980-1987. U.S. Fish and Wildlife Service, Illinois Department of Natural Resources, Illinois Natural History Survey, and Illinois State Geological Survey. This feature dataset contains wetlands and deepwater habitats in Illinois is of 1987 based on U.S. Fish and Wildlife Service National Wetlands Inve...

23.
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Networked streams of Pennsylvania

1998. Environmental Resources Research Institute. The connected network of streams and waterways of Pennsylvania are indicated as single lines in this coverage. Waterways are given connected topolo...

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Mixed

One-Hundred and Five-Hundred Year Floodzones for Unincorporated Areas: Illinois, 2006

1996. Illinois State Water Survey and Illinois State Geological Survey. This feature class was quickly assembled from old Arc/Info coverages to produce a general graphic image and has not reviewed or quality-controlled ...

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Scenic Rivers: Pennsylvania

1996. Environmental Resources Research Institute. State designated scenic rivers.

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Small Watersheds: Pennsylvania

1997. Environmental Resources Research Institute. Boundaries of 9,895 watersheds in Pennsylvania indicated in the Pennsylvania gazetteer of streams. These boundaries enclose catchment areas for nam...

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Spring Creek Watershed streams: Pennsylvania

1996. Environmental Resources Research Institute. Streams within the Spring Creek Watershed.

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Stream Centerlines, Minor Drainage: Prince George's County, Maryland, 1993

1993. The Maryland-National Capital Park & Planning Commission. Drainage lines for streams that are 20 feet or less in width for al lof Prince George's County, Maryland.

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Stream Centerlines: Prince George's County, Maryland, 1993

1993. The Maryland-National Capital Park & Planning Commission. Centerline drainage for all stream in Prince George's County, Maryland.

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Streams: Dauphin County, Pennsylvania

1990. Dauphin County, PA. Reference dataset showing streams in Dauphin County, PA. Most likely derived from a PennDOT dataset in the early 1990s. This layer is updated on an...

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Surface Water Drainage Problems

1970-06. Clason Map Co.

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Tidal Wetlands Original: Baltimore County, Maryland, 1972

1972. Baltimore County Web Map Portal.

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Topographic Contours: Philadephia, Pennsylvania

1996. Water Department - Information Systems & Technology. Planimetric Coverage containing the delineation of topographic contours. Annotation of Contour Line elevations exists. Annotation viewable at 1" = ...

34.
Point image/svg+xml

U.S. Geographic Names Information System (GNIS): Illinois Portion, 2006

1974-2006. United States Geological Survey (USGS) and Illinois State Geological Survey. This metadata document is abstracted from the GNIS metadata provided with the original data, with some ISGS-specific information added. The origina...

35.
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Waterbodies by Area: Prince George's County, Maryland, 1993

1993. The Maryland-National Capital Park & Planning Commission. Water bodies greater then 20FT in width for all of Prince George's County, Maryland.

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Waterbodies: Washington, D.C., 1999

1999. City of Washington, DC. Water bodies captured in 1999. Contract NCPC 93-02. This document describes the planimetric map production for the 350 tiles located in Washington ...

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Wetlands - Line: Chester County, Pennsylvania

1997. U S Fish and Wildlife Service. NWI digital data files are records of wetlands location and classification as defined by the U.S. Fish & Wildlife Service. This dataset is a compil...

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Wetlands - Point: Chester County, Pennsylvania

1997. U S Fish and Wildlife Service. NWI digital data files are records of wetlands location and classification as defined by the U.S. Fish & Wildlife Service. This dataset is a compil...

39.
Wetlands: Maryland, 1972

Wetlands: Maryland, 1972

1972. ArcGIS Online for Maryland. This is a MD iMAP hosted service. Find more information on http://imap.maryland.gov.This is a map service of the 1972 Wetland Maps. These are guida...